CATALUCCI, S., THOMPSON, A., EASTWOOD, J., ZHANG, Z. M., III, D. T. B., LEACH, R. and PIANO, S., 2023. Smart optical coordinate and surface metrology: Measurement Science and Technology Measurement Science and Technology. 34(1), AHMADIEH KHANESAR, M., YAN, M., SYAM, W. P., PIANO, S., LEACH, R. K. and BRANSON, D. T., 2023. A Neural Network Separation Approach for the Inclusion of Static Friction in Nonlinear Static Models of Industrial Robots: IEEE/ASME Transactions on Mechatronics IEEE/ASME Transactions on Mechatronics. 1-11 ZHOU X, DAI N, CHENG X, THOMPSON A and LEACH R K, 2022. Intelligent classification for metal powder particles Powder Technology. 397, CATALUCCI S, THOMPSON A, PIANO S, BRANSON D and LEACH R K, 2022. Optical metrology for digital manufacturing: A review J. Adv. Manufac. Technol. 120, 4271–4290 VANRUSSELT M, HAITJEMA H, LEACH R K and DE GROOT P, 2022. International comparison of flatness deviation in areal surface topography measurements Ann. CIRP. 7, 453-456
MINGYU LIU, NICOLA SENIN, RONG SU and RICHARD LEACH, 2022. Measurement of laser powder bed fusion surfaces with light scattering and unsupervised machine learning Measurement Science and Technology. 33(7), 074006 LIU M, SENIN N and LEACH R K, 2022. Measurement of laser-based powder bed fusion surfaces using light scattering and one-class support vector machines Proc. SPIE. 12137-7
DEWULF W, BOSSE H, CARMIGNATO S and LEACH R K, 2022. Advances in performance and traceability of X-ray computed tomography metrology Ann. CIRP. 00, 1-24
KLIMKOWSKA A, CAVASSI S, LEACH R K and GREBBY S, 2022. Detailed three-dimensional building facades: A review on data, technologies and applications Remote Sensing. 14,
EASTWOOD J, SIMS-WATERHOUSE D, LEACH R K and PIANO S, 2022. Efficient and de-noised photogrammetric reconstruction through image masking In: Proc. 22nd Int. euspen Conf., Geneva, Switzerland, Jun..
ISA M, KHANESAR M A, LEACH R K and BRANSON D, 2022. Frequency scanning interferometry for accurate robot position measurement In: Proc. 22nd Int. euspen Conf., Geneva, Switzerland, Jun..
VILAR N, ARTIGAS R, BERMUDEZ C, THOMPSON A, NEWTON L, LEACH R K, DUOCASTELLA M and CARLES G, 2022. Optical system for measurement of texture parameters in additive manufacturing parts Meas. Sci. Technol.. (In Press.)
MINGYU LIU, NICOLA SENIN and RICHARD LEACH, 2022. CLASSIFICATION OF PBF-LB SURFACES USING LIGHT SCATTERING AND MACHINE LEARNING: INFLUENCE OF SCATTERING IMAGE RESOLUTION ON CLASSIFICATION ACCURACY AND SPEED In: ASPE-euspen topical meeting on Advancing Precision in Additive Manufacturing.
AHMET KOCA, MINGYU LIU and RICHARD LEACH, 2022. MICROSTRUCTURE ANALYSIS OF LASER-BASED POWDER BED FUSION SURFACES In: ASPE-euspen topical meeting on Advancing Precision in Additive Manufacturing.
VILAR, N., ARTIGAS, R., BERMUDEZ, C., THOMPSON, A., NEWTON, L., LEACH, R., DUOCASTELLA, M. and CARLES, G., 2022. Optical system for the measurement of the surface topography of additively manufactured parts: Measurement Science and Technology Measurement Science and Technology. 33(10), HELIA HOOSHMAND, MINGYU LIU, RICHARD LEACH, SAMANTA PIANO, MINGYU LIU, RICHARD LEACH and SAMANTA PIANO, 2022. Quantifying the validity conditions of the Beckmann-Kirchhoff scattering model In: SPIE Optics + Photonics.
REMANI, A., WILLIAMS, R., ROSSI, A., PEÑA, F., THOMPSON, A., DARDIS, J., JONES, N., HOOPER, P., SENIN, N. and LEACH, R., 2022. MULTI-SENSOR MEASUREMENT FOR IN-SITU DEFECT IDENTIFICATION IN METAL LASER POWDER BED FUSION CATALUCCI, S., THOMPSON, A., EASTWOOD, J., ZHANG, Z. M., BRANSON III, D. T., LEACH, R. and PIANO, S., 2022. Smart optical coordinate and surface metrology Measurement Science and Technology. 34(1), ZHANG, Z. M., CATALUCCI, S., THOMPSON, A., LEACH, R. and PIANO, S., 2022. Applications of data fusion in optical coordinate metrology: a review: International Journal of Advanced Manufacturing Technology International Journal of Advanced Manufacturing Technology. SU R, COUPLAND J M, SHEPPARD C and LEACH R K, 2021. Scattering and three-dimensional imaging in surface-topography measuring interference microscopy J. Opt. Soc. Am. A. 38, A27-A43
MABWA D, KUBIEN T, PARNELL H, SU R, FURNISS D, TANG Z, LEACH R K, BENSON T M, SCOTCHFORD C A and SEDDON A B, 2021. Evaluating the cytotoxicity of Ge-Sb-Se chalcogenide glass optical fibres on 3T3 mouse fibroblasts RSC Advances. CHEN Y, PENG X, KONG L, DONG G, REMANI A and LEACH R K, 2021. Defects inspection and post-processing technologies in additive manufacturing J. Extreme Manufac.. 3, 022002 AREZKI Y, SU R, HEIKKINEN V, LEPRETRE F, PSOTA P, BITOU Y, KONDO Y, HARSCH A, SCHOBER C, MEHDI-SOUZANI C, PRUSS C, ANWER N, ALZAHRANI B A M, LEACH R K, LEDL V, ZHANG X, BOUAZIZI M L and NOUIR H, 2021. Traceable reference full metrology chain for innovative aspheric and freeform optical surfaces accurate at the nanometer level Sensors. 21, 1103 CHEN C, LEACH R K, WANG J, LIU X, JIANG X and LU W, 2021. Two-dimensional spectral signal model for chromatic confocal microscopy Opt. Express. 29, 7179-7196 ZHOU X, DAI N, CHENG X, THOMPSON A and LEACH R K, 2021. Three-dimensional measurement of powder particles using X-ray computed tomography Additive Manufacturing. 40, 101913 CHEN C, LEACH R K, WANG J, LIU X, JIANG X and LU W, 2021. Locally adaptive thresholding centroid localization in confocal microscopy Opt. Lett.. 46, 1616-1619 ZHOU, X., DAI, N., CHENG, X., THOMPSON, A. and LEACH, R., 2021. Three-dimensional characterization of powder particles using X-ray computed tomography: Additive Manufacturing Additive Manufacturing. 40, SHABBIR, S., GARVEY, S. D., DAKKA, S. M., ROTHWELL, B. C., SU, R., LEACH, R. and WESTON, N., 2021. Analysis of the tribological interaction of a polytetrafluoroethylene-lined radial lip oil seal, shaft and lubricant sample: Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. VANRUSSELT M, HAITJEMA H, LEACH R K and DE GROOT P, 2021. International comparison of noise in areal surface topography measurements Surf. Topog. Metrol. Prop.. 9, 025015
LEACH R K and SU R, 2021. Development of a virtual coherence scanning interferometer In: Proc. ASPE/euspen/ASPEN Freeform & Structured Surfaces Conf..
NEWTON L, THANKI A, HAITJEMA H and LEACH R K, 2021. Optimisation of the measurement of additive manufactured surfaces using confocal microscopy In: Proc. ASPE/euspen/ASPEN Freeform & Structured Surfaces Conf..
GRASSO M, REMANI A, DICKENS A, COLOSIMO B M and LEACH R K, 2021. In-situ measurement and monitoring methods for metal powder bed fusion – an updated review Meas. Sci. Technol.. 32, 112001 RODRÍGUEZ SÁNCHEZ A, THOMPSON A, SENIN N, EIFLER M, HERING J and LEACH R K, 2021. Calibration of X-ray computed tomography for surface texture measurement using metrological characteristics In: Proc. 21st Int. euspen Conf..
EASTWOOD J, NEWTON L, LEACH R K and PIANO S, 2021. Generation of simulated additively manufactured surface texture data using a generative adversarial network parts In: Proc. 21st Int. euspen Conf..
CATALUCCI S, SENIN N, PIANO S and LEACH R K, 2021. Automated assessment of measurement quality in optical coordinate metrology of complex freeform parts In: Proc. 21st Int. euspen Conf. 277–280
THOMPSON A, SOUTHON N, FERN F, STUPFLER G and LEACH R K, 2021. Efficient empirical determination of maximum permissible error in coordinate metrology Meas. Sci. Technol.. 32, 106013 WANG, J., ZHANG, Z., LEACH, R. K., LU, W. and XU, J., 2021. Predistorting Projected Fringes for High-Accuracy 3-D Phase Mapping in Fringe Projection Profilometry: IEEE Transactions on Instrumentation and Measurement IEEE Transactions on Instrumentation and Measurement. 70, MINGYU LIU, NICOLA SENIN and RICHARD K LEACH, 2021. Intelligent quality monitoring for additive manufactured surfaces by machine learning and light scattering Proc. SPIE. 11782, 1178206
THOMPSON, A., RODRÍGUEZ-SÁNCHEZ, Á, SENIN, N., EIFLER, M., HERING, J. and LEACH, R., 2021. Calibration of X-ray computed tomography for surface topography measurement using metrological characteristics CHEN, Y., PENG, X., KONG, L., DONG, G., REMANI, A. and LEACH, R., 2021. Defect inspection technologies for additive manufacturing: International Journal of Extreme Manufacturing International Journal of Extreme Manufacturing. 3(2), THOMAS M, SU R, DE GROOT P, COUPLAND J M and LEACH R K, 2021. Surface measuring coherence scanning interferometry beyond the specular reflection limit Opt. Express. 29, 36121-36131 ECHETA I, DUTTON B, LEACH R K and PIANO S, 2021. Finite element modelling of defects in additively manufactured strut-based lattice structures Additive Manufacturing. 102301
LIU M, SENIN N and LEACH R K, 2021. Fast measurement of metal laser powder bed fusion layer surfaces using light scattering and principal component analysis In: Proc. euspen/ASPE Advancing Precision in Additive Manufacturing.
REMANI A, WILLIAMS R, THOMPSON A, DARDIS J, JONES N, HOOPER P and LEACH R K, 2021. Design of a multi-sensor measurement system for in-situ defect identification in metal additive manufacturing In: Proc. euspen/ASPE Advancing Precision in Additive Manufacturing.
JUASIRIPUKDEE P, MASKERY I, ASHCROFT I and LEACH R K, 2021. Low thermal expansion machine frame design using lattice structures Applied Sciences. 11, 1395 DE GROOT P, COLONNA DE LEGA X, SU R, COUPLAND J M and LEACH R K, 2021. Modeling of coherence scanning interferometry using classical Fourier optics Opt. Eng.. 60, 04106
WANG, J., ZHAO, W., LEACH, R., XU, L., LU, W. and LIU, X., 2021. Positioning error calibration for two-dimensional precision stages via globally optimized image registration: Measurement: Journal of the International Measurement Confederation Measurement: Journal of the International Measurement Confederation. 186, JUASIRIPUKDEE, P., MASKERY, I., ASHCROFT, I. and LEACH, R., 2021. Low thermal expansion machine frame designs using lattice structures: Applied Sciences (Switzerland) Applied Sciences (Switzerland). 11(19), ISA M, LEACH R K, BRANSON D and PIANO S, 2021. The effect of motion blur on photogrammetric measurements of a robotic moving target In: Proc. ASPE, Minneapolis, USA. 155-160
SIMS-WATERHOUSE D, ISA M, PIANO S and LEACH R K, 2020. Uncertainty model for a traceable stereo-photogrammetry system Precision Engineering. 63, 1-9 DE PASTRE M A, THOMPSON A, SENIN N, QUINSAT Y, GARCÍA J A and LEACH R K, 2020. Polymer powder bed fusion surface texture measurement Meas. Sci. Technol.. 31, 055002 BOINTON P, TODHUNTER L, CLARE A T and LEACH R K, 2020. Performance verification of a flexible vibration monitoring system Machines. 3, 1-17 SU R, THOMAS M, LIU M, DRS J, BELLOUARD E, PRUSS C, COUPLAND J M and LEACH R K, 2020. Lens aberration compensation in interference microscopy Opt. Lasers Eng.. 128, 106015 TODHUNTER L, LEACH R K, LAWES S, HARRIS P M and BLATEYRON F, 2020. Mathematical approach to the validation of field surface texture parameters Surf. Topog. Metrol. Prop.. 8, 015010
LEACH R K, FERRUCCI M and HAITJEMA H, 2020. Dimensional metrology. In: CHATTI S, LAPERRIÈRE L, REINHART G and TOLIO T, eds., CIRP Encyclopaedia of Production Engineering Springer. VILLARRAGA-GÓMEZ H, KÖRNER L, LEACH R K and SMITH S T, 2020. Amplitude-wavelength maps for X-ray computed tomography systems Precision Engineering. 64, 228-242 THOMAS M, SU R, NIKOLAEV N, COUPLAND J M and LEACH R K, 2020. Modelling of interference microscopy beyond the linear regime Opt. Eng.. 59, 034110 THOMAS, M., SU, R., NIKOLAEV, N., COUPLAND, J. and LEACH, R., 2020. Modeling of interference microscopy beyond the linear regime: Optical Engineering Optical Engineering. 59(3), EIFLER M, HERING J, SEEWIG J, LEACH R K, VON FREYMAN G, HU X and DIA G, 2020. Comparison of material measures for areal surface topography measurement instrument calibration Surf. Topog. Metrol. Prop.. 8, 025019 LEACH R K, ELMADIH W, PIANO S, ISA M, SIMS-WATERHOUSE D and SYAM W P, 2020. Development of an all-optical dimensional measuring system In: Proc. euspen.
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DARUKUMALLI S, SANTOSO T, SYAM W P, HELMLI F and LEACH R K, 2020. Axial calibration of an on-machine focus variation surface texture and form sensor In: Proc. euspen.
EASTWOOD J, SIMS-WATERHOUSE D, PIANO S, WEIR R and LEACH R K, 2020. Pose estimation from a monocular image for automated photogrammetry In: Proc. euspen.
VILLARRAGA-GÓMEZ, H., KÖRNER, L., LEACH, R. and SMITH, S. T., 2020. Amplitude-wavelength maps for X-ray computed tomography systems: Precision Engineering Precision Engineering. 64, 228-242 YOU, X., WANG, Y., LEACH, R., GU, K., SHI, Y., ZHANG, S. and LIU, J., 2020. Width determination for deep grooves based on a variable point spread function imaging model: Applied Optics Applied Optics. 59(12), 3560-3567 CARMIGNATO S, DE CHIFFRE L, BOSSE H, LEACH R K, BALSAMO A and ESTLER T, 2020. Dimensional artefacts to achieve measurement traceability in advanced manufacturing Ann. CIRP. 69, PALMA, V., GOODALL, R., THOMPSON, A., RUOCCO, C., RENDA, S., LEACH, R. and MARTINO, M., 2020. Ceria-coated replicated aluminium sponges as catalysts for the CO-water gas shift process: International Journal of Hydrogen Energy International Journal of Hydrogen Energy. LEACH R K, BOINTON P, DICKENS A, LEWIS N, THOMPSON A and TODHUNTER L, 2020. An integrated metrology roadmap for advanced manufacturing Commercial Micro Manufacturing.
CATALUCCI S, SENIN N, SIMS-WATERHOUSE D, ZIEGELMEIER S, PIANO S and LEACH R K, 2020. Measurement of complex freeform additively manufactured parts by structured light and photogrammetry Measurement. 164, 108081 LIU M, CHEUNG C F, SENIN N, WANG S, SU R and LEACH R K, 2020. On-machine surface defect detection using light scattering and deep learning J. Opt. Soc. Am. A. 37, B53-B59 CARMIGNATO, S., DE CHIFFRE, L., BOSSE, H., LEACH, R. K., BALSAMO, A. and ESTLER, W. T., 2020. Dimensional artefacts to achieve metrological traceability in advanced manufacturing: CIRP Annals CIRP Annals. DICKENS A, WIDJANARKO T, SIMS-WATERHOUSE D, THOMPSON A, LAWES S, SENIN N and LEACH R K, 2020. Multi-view fringe projection system for surface topography measurement during metal powder bed fusion J. Opt. Soc. Am. A. 37, B93-B105 WANG J, LEACH R K, CHEN C, XU J and JIANG X, 2020. Distortion-free intelligent sampling of sparse surfaces via locally refined T-spline metamodeling Int. J. Prec. Eng. Mach. Green Tech.. 1-16
SANTOSO T, SYAM W P, DARUKUMALLI S, CAI Y, HELMLI F, LUO X and LEACH R K, 2020. On-machine focus variation measurements for micro-scale hybrid surface texture machining Int. J. Manufac. Technol.. 109, 2353–2364
GOMEZ C, CAMPANELLI C, SU R and LEACH R K, 2020. Surface-process correlation for an ink-jet printed transparent fluoroplastic Surf. Topog. Metrol. Prop.. 8,
BERGLUND J, SÖDERBERG R, WÄRMEFJORD K, LEACH R K and MORSE E, 2020. Functional tolerancing of surface texture – a review of existing methods Proc. CIRP. 92, 230-235
RODRÍGUEZ SÁNCHEZ A, THOMPSON A, KÖRNER L, BRIERLEY N and LEACH R K, 2020. Review of the influence of noise in X-ray computed tomography measurement uncertainty Precision Engineering. 66, 382-391
ELLIS J, HAITJEMA H, JIANG X, JOO K-N and LEACH R K, 2020. Advances in optical metrology and instrumentation: introduction J. Opt. Soc. Am. A. 37, OMI1-OMI2 RODRÍGUEZ-SÁNCHEZ, Á, THOMPSON, A., KÖRNER, L., BRIERLEY, N. and LEACH, R., 2020. Review of the influence of noise in X-ray computed tomography measurement uncertainty: Precision Engineering Precision Engineering. 66, 382-391 LEACH R K, 2020. Mapping metrology intelligently Materials World. September, 50-52
LIU, M., CHEUNG, C. F., SENIN, N., WANG, S., SU, R. and LEACH, R., 2020. On-machine surface defect detection using light scattering and deep learning: Journal of the Optical Society of America A: Optics and Image Science, and Vision Journal of the Optical Society of America A: Optics and Image Science, and Vision. 37(9), B53-B59 LEACH R K and CARMIGNATO S, eds., 2020. Precision Metal Additive Manufacturing CRC Press.
ZHANG H, EASTWOOD J, ISA M, SIMS-WATERHOUSE D, LEACH R K and PIANO S, 2020. Optimisation of camera positions for optical coordinate measurement based on visible point analysis Precision Engineering. 67, 178-188 DICKINS, A., WIDJANARKO, T., SIMS-WATERHOUSE, D., THOMPSON, A., LAWES, S., SENIN, N. and LEACH, R., 2020. Multi-view fringe projection system for surface topography measurement during metal powder bed fusion: Journal of the Optical Society of America A: Optics and Image Science, and Vision Journal of the Optical Society of America A: Optics and Image Science, and Vision. 37(9), B93-B105 TODHUNTER L, LEACH R K and BLATEYRON F, 2020. Mathematical approach to the validation of surface texture filtration software Surf. Topog. Metrol. Prop.. 8, 045017
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STAVROULAKIS P, CHEN S, DERLOME C, BOINTON P, TZIMIROPOULOS G and LEACH R K, 2019. Rapid calibration tracking of extrinsic projector parameters in fringe projection using machine learning Opt. Lasers Eng.. 114, 7-14 NEWTON L, GOMEZ C, FRANZ H, BLUNT L A, DANZL R and LEACH R K, 2019. Areal topography measurement of metal additive surfaces using focus variation microscopy Additive Manufacturing. 365-389 ELMADIH W, SYAM W P, MASKERY I, CHRONOPOULOS D and LEACH R K, 2019. Mechanical vibration bandgaps in surface-based lattices Additive Manufacturing. 25, 421-429 CHEN C, WANG J, LEACH R K, LU W, LIU X and JIANG X, 2019. Corrected parabolic fitting for height extraction in confocal microscopy Optics Express. 27, 3682-3697 PÉREZ P, SYAM W P, ALBAJEZ J A, SANTOLARIA J and LEACH R K, 2019. Stitching-free lateral error compensation for focus variation microscopy Meas. Sci. Technol.. 30, 065002 KORNER L, LAWES S, NEWTON L, SENIN N, BATES D and LEACH R K, 2019. Sinogram interpolation to decrease acquisition time in X-ray computed tomography measurement of surface topography In: 9th Conf. Industrial Computed Tomography.
TODHUNTER L, LEACH R K, LAWES S, HARRIS P M and BLATEYRON F, 2019. Mathematical approach to the validation of functional surface texture parameter software Surf. Topog. Metrol. Prop.. 7, 015020 NAPOLI C, PIANO S, LEACH R K, ADESSO G and TUFARELLI T, 2019. Towards superresolution surface metrology: Quantum estimation of angular and axial separations Physical Review Letters. 122(14), FENG X, SENIN N, SU R, RAMASAMY S and LEACH R K, 2019. Optical measurement of surface topographies with transparent coatings Optics and Lasers in Engineering. 121, 261-270 MACULOTTI G, SENIN N, OYELOLA O, GALETTO M, CLARE A and LEACH R K, 2019. Multi-sensor data fusion for the characterisation of laser cladded cermet coatings In: Proc. 19th Int. euspen Conf., Bilboa, Spain, Jun..
TOSELLO G, GULCUR M, WHITESIDE B, COATES P, LUCA A, VINÍCIUS DE SOUSA LIA FOOK P, RIEMER O, DANILOV I, ZANJANI M Y, HACKERT-OSCHÄTZCHEN M, SCHUBERT A, BARUFFI F, ACHOUR S B, CALAON M, NIELSEN C V, BISSACCO G, RASMUSSEN A, BELLOTTI M, SAXENA K, QIAN J, REYNAERTS D, SANTOSO T, SYAM W P, LEACH R K, KOSE S K, PARENTI P, ANNONI M, CAI Y, LUO X, QIN Y and ZEIDLER H, 2019. Micro product and process fingerprint for zero-defect net-shape micromanufacturing In: Proc. 19th Int. euspen Conf., Bilboa, Spain, Jun..
DARUKUMALLI S, SANTOSO T, SYAM W P, HELMLI F and LEACH R K, 2019. In-process high-resolution optical areal surface texture and form sensor based on focus variation In: Proc. 19th Int. euspen Conf., Bilboa, Spain, Jun..
HADIAN H, PIANO S, FENG X and LEACH R K, 2019. Gear measurement using optical point autofocus profiling In: Proc. 19th Int. euspen Conf., Bilboa, Spain, Jun..
AZWZKI Y, LEPETRE F, PSOTA P, SU R, HEIKKINEN V, ZHANG X, CAI N, BITOU Y, LEACH R K, LEDL V, ANWAR N, MEHDI-SOUZANI C and HOUIRA H, 2019. Material standards design for minimum zone fitting of freeform optics In: Proc. 19th Int. euspen Conf., Bilboa, Spain, Jun..
GAO W, HAITJEMA H, CHEN Y L, FANG F Z, LEACH R K, CHEUNG C F, SAVIO E and LINARES J M, 2019. On-machine and in-process surface metrology for precision manufacturing Ann. CIRP. 68, DE GROOT P, COLONNA DE LEGA X, SU R and LEACH R K, 2019. Does interferometry work? A critical look at the foundations of
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GOMEZ C, CAMPANELLI C, SU R, LAWES S and LEACH R K, 2019. Characterisation of the surface topography evolution of an ink-jet printed transparent fluoroplastic with coherence scanning interferometry In: Proc. 22nd Met. & Props, Lyon, France, Jul..
LIU M, SENIN N and LEACH R K, 2019. Surface characterisation with light scattering and machine learning In: Proc. 22nd Met. & Props, Lyon, France, Jul..
THOMPSON A, SENIN N and LEACH R K, 2019. Case studies in X-ray computed tomography surface texture measurement In: Proc. 22nd Met. & Props, Lyon, France, Jul..
LEWIS N, SENIN N, SMITH B and LEACH R K, 2019. Feature-based characterisation of Ti6Al4V electron beam powder bed fusion surfaces fabricated at different orientations In: Proc. 22nd Met. & Props, Lyon, France, Jul..
GAYTON G, SU R and LEACH R K, 2019. Uncertainty evaluation of fringe projection based on linear systems theory In: 35th Annual Coordinate Metrology Soc. Conf., Orlando, USA, Jul..
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TODHUNTER L, LEACH R K, LAWES S, HARRIS P and BLATEYRON F, 2019. Mathematical approach to the validation of functional surface texture parameter software Surface Topography: Metrology and Properties. 7(1), LIU M, SENIN N and LEACH R K, 2019. Defect detection for structured surfaces via light scattering and machine learning In: Proc. ISMTII, Niigata, Japan, Sep..
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EASTWOOD J, SIMS-WATERHOUSE D, BOINTON P, PIANO S and LEACH R K, 2019. Autonomous close-range photogrammetry using machine learning In: Proc. ISMTII, Niigata, Japan, Sep..
SU R, THOMAS M, LIU M, COUPLAND J M and LEACH R K, 2019. High-accuracy surface measurement through modelling of the surface transfer function in interference microscopy In: Proc. SPIE.
DICKENS A, WIDJANARKO T, LAWES S and LEACH R K, 2019. Sensor fusion approach for in-situ measurement of metal laser powder bed fusion In: SFF Symp. 2019, Austin, USA, Aug..
ELMADIH, W., CHRONOPOULOS, D., SYAM, W. P., MASKERY, I., MENG, H. and LEACH, R. K., 2019. Three-dimensional resonating metamaterials for low-frequency vibration attenuation: Scientific Reports Scientific reports. 9(1), SHAHEEN A, SIMS-WATERHOUSE D, BOINTON P, PIANO S and LEACH R K, 2019. Automated characterisation of multi-view fringe projection system for three-dimensional measurement of additively manufactured parts In: Proc. euspen/ASPE Advancing Precision in Additive Manufacturing, Nantes, France.
NEWTON L, SENIN N, SMITH B, CHATZIVAGIANNIS E and LEACH R K, 2019. Comparison and validation of segmentation methods for feature-based characterisation of electron beam powder bed fusion surface In: Proc. euspen/ASPE Advancing Precision in Additive Manufacturing, Nantes, France.
DE GROOT P, COLONNA DE LEGA X, SU R and LEACH R K, 2019. Does interferometry work? A critical look at the foundations of interferometric surface topography measurement In: Proc. SPIE 11102 Applied Optical Metrology III, San Diego, USA, 13-15 August.
CATALUCCI S, SENIN N, PIANO S and LEACH R K, 2019. Intelligent systems for optical form measurement: automated assessment of pose and coverage In: Proc. ASPE, Pittsburgh, USA, Oct. 145–150
ISA M, SIMS-WATERHOUSE D, PIANO S and LEACH R K, 2019. Kinematic error analysis of stage tracking using stereo vision In: Proc. ASPE, Pittsburgh, USA, Oct..
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FENG X, SU R, RAMASAMY S, DU Z, YANG J and LEACH R K, 2019. Areal micro-topography measurement of a multi-layer surface subjected to multi-step advanced topography modification In: Proc. 8th Int. Conf. ASPEN, Simane, Japan, Nov..
ECHETA I, FENG X, DUTTON B, PIANO S and LEACH R K, 2019. Review of defects in lattice structures manufactured by powder bed fusion Int. J. Manufac. Technol.. 1-20
VAITHILINGHAM J, SALEH E, KORNER L, WILDMAN R D, HAGUE R J, LEACH R K and TUCK C J, 2018. 3-Dimensional inkjet printing of macro structures from silver nanoparticles Materials & Design. 139 THOMPSON A, SENIN N, MASKERY I, KORNER L, LAWES S and LEACH R K, 2018. Internal surface measurement of metal powder bed fusion parts Additive Manufacturing. 20, 126-133 MACULOTTI G, FENG X, GALETTO M and LEACH R K, 2018. Noise evaluation of a point autofocus surface topography measuring instrument Meas. Sci. Technol.. 29, 065008 ABURAYT A, SYAM W P and LEACH R K, 2018. Lateral scale calibration for focus variation microscopy Meas. Sci. Technol.. 29, 065012
CHEUNG B, LIU M, LEACH R K, FENG X and XHAO C, 2018. Hierarchical-information-based characterization of multiscale structured surfaces Ann. CIRP. 67, 539–542
CALAON M, MADSEN M H and LEACH R K, 2018. Scatterometry. In: LAPERRIÈRE L, REINHART G, TOLIO T and CHATTI S, eds., CIRP Encyclopaedia of production engineering 2. Springer. SENIN N and LEACH R K, 2018. Information-rich surface metrology Proc. CIRP. 75, 26-35 SIMS-WATERHOUSE D, PIANO S and LEACH R K, 2018. Photogrammetric coordinate metrology In: Proc. 18th Int. euspen Conf., Venice, Italy, Jun.. 443-444
MACULOTTI G, FENG X, GALETTO M and LEACH R K, 2018. Measurement noise calibration, noise bandwidth specification and environment effects in a 3D point autofocusing instrument In: Proc. 18th Int. euspen Conf., Venice, Italy, Jun.. 155-156
TODHUNTER L, SENIN N, LEACH R K, LAWES S, BLAYTERON F and HARRIS P M, 2018. Flexible software framework for the generation of simulated surface topography In: Proc. 18th Int. euspen Conf., Venice, Italy, Jun.. 491-492
BOINTON P, TODHUNTER L, STAVROULAKIS P, CLARE A and LEACH R K, 2018. Effects of vibration on fringe projection systems In: Proc. 18th Int. euspen Conf., Venice, Italy, Jun.. 119-120
KORNER L, LEACH R K, SU R and LAWES S, 2018. Development of an X-ray simulator: from STTL file to grey scale image In: Proc. 18th Int. euspen Conf., Venice, Italy, Jun.. 503-504
PÉREZ P, SYAM W P, ALBAJEZ J A, SANTOLARIA J and LEACH R K, 2018. Lateral error compensation for focus variation microscopy In: Proc. 18th Int. euspen Conf., Venice, Italy, Jun.. 181-182
HAITJEMA H and LEACH R K, 2018. Surface texture metrological characteristics. In: LAPERRIÈRE L, REINHART G, TOLIO T and CHATTI S, eds., CIRP Encyclopaedia of production engineering 2. Springer.
LEWIS N, SENIN N and LEACH R K, 2018. Focus variation measurement of metal additively manufactured surfaces In: Proc. ASPE/euspen Advancing Precision in Additive Manufacturing, Berkeley, USA.
RIVAS SANTOS V, MASKERY I, SIMS-WATERHOUSE D, THOMPSON A, LEACH R K, ELLIS A and WOOLLIAMS P, 2018. Benchmarking of an additive manufacturing process In: Proc. ASPE/euspen Advancing Precision in Additive Manufacturing, Berkeley, USA.
DICKENS A, WIDJANARKO T, LAWES S and LEACH R K, 2018. Design of a multi-sensor in-situ inspection system for additive manufacturing In: Proc. ASPE/euspen Advancing Precision in Additive Manufacturing, Berkeley, USA.
THOMPSON A, TAMMAS-WILLIAMS S, LEACH R K and TODD I, 2018. Correlating volume and surface features in additively manufactured parts In: Proc. ASPE/euspen Advancing Precision in Additive Manufacturing, Berkeley, USA.
TOWNSEND A, RACASAN R, LEACH R K, SENIN N, THOMPSON A, RAMSEY A, BATE D, WOOLLIAMS P, BROWN S and BLUNT L A, 2018. An interlaboratory comparison of X-ray computed tomography measurement for texture and dimensional characterisation of additively manufactured parts Additive Manufacturing. 23, 422-432 STAVROULAKIS P, SIMS-WATERHOUSE D, SHAHEEN A, CATALUCCI S, BOINTON P, TZIMIROPOULOS G, DOYEN E and BISKONG Y, 2018. External shape measurement for industrial applications using artificial intelligence and optimised data fusion In: Proc. IEEE IntelliSys 2018, London, UK.
LAW A, SOUTHON N, STAVROULAKIS P, LEACH R K, GOODRIDGE R and KONG Z, 2018. Curvature-based segmentation of powder bed point clouds for in-process monitoring In: SFF Symp. 2018, Austin, USA, Aug..
STAVROULAKIS P, DAVIES O, SHAHEEN A, TZIMIROPOULOS G and LEACH R K, 2018. Artificial intelligence-enhanced multi-material form measurement for additive materials In: SFF Symp. 2018, Austin, USA, Aug..
ELMADIH W, SYAM W P, MASKERY I and LEACH R K, 2018. Designing low frequency bandgaps in additively manufactured parts using internal resonators In: Proc. ASPE, Las Vegas, USA.
LEACH R K, DE GROOT P and HAITJEMA H, 2018. Infidelity and the calibration of surface topography measuring instruments In: Proc. ASPE, Las Vegas, USA.
VILLARRAGA-GÓMEZ H, KORNER L, LEACH R K and SMITH S T, 2018. Representing the specification of industrial X-ray computed tomography with amplitude-wavelength space In: Proc. ASPE, Las Vegas, USA.
KARIM S, PIANO S, LEACH R K and TOLLEY M, 2018. Calibration of a high-precision five degree of freedom hybrid mechanism In: Proc. ASPE, Las Vegas, USA.
SU R, THOMAS M, DE GROOT P, COUPLAND J M and LEACH R K, 2018. Using a sphere measurement to determine the instrument transfer function and lateral resolution for interference microscopes In: Proc. ASPE, Las Vegas, USA.
TODHUNTER, L., SENIN, N., LEACH, R., LAWES, S., BLATEYRON, F. and HARRIS, P., 2018. A programmable software framework for the generation of simulated surface topography In: euspen 2018. 491-492 WANG J, PAGANI L, LEACH R K, ZENG W, COLOSIMO B M and ZHOU L, 2017. Study of weighted fusion methods for the measurement
of surface geometry Precision Engineering. 47, 111-121 HIRSCH M, PATEL R, LI W, GUAN G, LEACH R K, SHARPLES S D and CLARE A T, 2017. Assessing the capability of in-situ nondestructive analysis during layer based additive manufacture Additive Manufacturing. 13, 135-142 MCKEE C, CULSHAW B and LEACH R K, 2017. Laser ultrasound measurement of diaphragm thickness, Young's modulus and Poisson's ratio of MEMS devices IEEE Journal of Selected Topics in Quantum Electronics. 23, 2700108 THOMPSON A, KÖRNER L, SENIN N, LAWES S, MASKERY I and LEACH R K, 2017. Measurement of the internal surface texture of additively manufactured parts by X-ray computed tomography In: 7th Conf. Industrial Computed Tomography (Leuven, Belgium).
PIANO S, SU R and LEACH R K, 2017. Micro-scale geometry measurement. In: FASSI I and SHIPLEY D, eds., Micro-Manufacturing Technologies and Their Applications: A Theoretical and Practical Guide
SIMS-WATERHOUSE D, PIANO S and LEACH R K, 2017. Verification of micro-scale photogrammetry for smooth three-dimensional object measurement Measurement Science & Technology. 28, 055010 FENG X, SU R, LIU M and LEACH R K, 2017. Optical difference engine for defect inspection in highly-parallel manufacturing processes In: 12th LAMDAMAP Conf., Wotton-under-Edge, UK, Mar. 214-217
LEACH R K, THOMPSON A and SENIN N, 2017. A metrology horror story: the additive surface In: Proc. ASPEN/ASPE Spring Topical, Manufacture and Metrology of Structured and Freeform Surfaces for Functional Applications, Hong Kong, China.
SU R, EKBERG R and LEACH R K, 2017. High-precision lateral distortion correction in coherence scanning interferometry using an arbitrary surface In: Proc. ASPE Spring Topical, Tucson, Arizona, Apr. 84-89
THOMPSON A, MCNALLY D, MASKERY I and LEACH R K, 2017. X-ray computed tomography and additive manufacturing in medicine: a review Int. J. Metrol. Qual. Eng.. 8, 17 SYAM W P, WU J, ZHOA B, MASKERY I and LEACH R K, 2017. Design of mechanically-optimised metrology frames using lattice structures In: Proc. 17th Int. euspen Conf., Hannover, Germany, Jun. 55-56
TOWNSEND A, RACASAN R, BILLS P, THOMPSON A, SENIN N, LEACH R K and BLUNT L A, 2017. Results from an interlaboratory comparison of areal surface texture parameter extraction from x-ray computed tomography of additively manufactured parts In: Proc. 17th Int. euspen Conf., Hannover, Germany, Jun. 386-387
TODHUNTER L D, LEACH R K, LAWES S D A and BLATEYRON F, 2017. Industrial survey of ISO surface texture parameters CIRP J. Manufac. Sci. Technol.. 19, 84-92
NASROLLAHI V, PENCHEV P, DIMOV S, KÖRNER L, LEACH R K and KYNGHAN K, 2017. Two-side processing method for producing high-aspect ratio micro holes ASME J. Micro Nano. Manufac.. 5, 041006-14
LEACH R K, SENIN N, FENG X, STAVROULAKIS P, SU R, SYAM W P and WIDJANARKO T, 2017. information-rich metrology: changing the game Commercial Micro Manufacturing. 8, 33-39 SMITH I M, HARRIS P M, TODHUNTER L D, LEACH R K, GIUSCA C L, JIANG X and SCOTT P J, 2017. Algorithms and software for areal surface texture function and feature parameters Meas. Sci. Technol.. 28, 105008 XU Z, THOMPSON A, LEACH R K, HYDE C, MASKERY I, TUCK C and CLARE A T, 2017. Staged thermomechanical testing of nickel superalloys produced by selective laser melting Materials and Design. 133, 520-527 HYDE C, XU Z, THOMPSON A, LEACH R K, MASKERY I, TUCK C and CLARE A, 2017. On the use of X-ray computed tomography for monitoring the failure of a two-bar small specimen manufactured by selective laser melting In: SFF Symp. 2017.
BITAR I, ABOULKHAIR N and LEACH R K, 2017. The application of composite through-thickness assessment to additively manufactured parts In: SFF Symp. 2017, Austin, USA.
SYAM W P, JIANWEI W, ZHOU B, ELMADIH W and LEACH R K, 2017. Design and analysis of strut-based lattice structures for vibration isolation Precision Engineering. 52, 494-505 ÖZEL T, ALTAY A, DOMEZ A and LEACH R K, 2017. Surface topography investigations on nickel alloy 625 fabricated via laser powder bed fusion Int. J. Adv. Manufac. Technol.. 1-8
DISCIACCA J, GOMEZ C, THOMPSON A, LAWES S D A, LEACH R K, COLONNA DE LEGA X and DE GROOT P, 2017. Color interferometry for additive manufacture In: Proc. euspen/ASPE Dimensional Accuracy & Surface Finish in AM, Leuven, Belgium. 145-148
GOMEZ C, SU R, THOMPSON A, DISCIACCA J, LAWES S D A and LEACH R K, 2017. Optimisation of surface topography characterisation for metal additive manufacturing using coherence scanning interferometry In: Proc. euspen/ASPE Dimensional Accuracy & Surface Finish in AM, Leuven, Belgium. 162-167
RIVAS SANTOS V M, SIMS-WATERHOUSE D, PIANO S, MASKERY I and LEACH R K, 2017. Metrological design of calibration and benchmarking artefacts for an additive manufacturing system In: Proc. euspen/ASPE Dimensional Accuracy & Surface Finish in AM, Leuven, Belgium. 24-27
XU Z, HYDE C, THOMPSON A, LEACH R K, RAVI G A, MASKERY I, TUCK C and CLARE A, 2017. Defect evolution in laser powder bed fusion manufactured components during thermo-mechanical testing In: Proc. euspen/ASPE Dimensional Accuracy & Surface Finish in AM, Leuven, Belgium. 113-115
SMITH, I. M., HARRIS, P. M., TODHUNTER, L. D., GIUSCA, C., JIANG, X., SCOTT, P. and LEACH, R. K., 2017. Algorithms and software for areal surface texture function parameters: Measurement Science and Technology Measurement Science and Technology. 28(10), SMITH, I. M., HARRIS, P. M., TODHUNTER, L. D., GIUSCA, C., JIANG, X., SCOTT, P. and LEACH, R. K., 2017. Algorithms and software for areal surface texture function parameters: Measurement Science and Technology Measurement Science and Technology. 28(10), ELMADIH W, SYAM W P, MASKERY I and LEACH R K, 2017. Additively manufactured lattice structures for precision engineering applications In: Proc. ASPE, Charlotte, USA. 164-169
KARIM S, LEACH R K, PIANO S and TOLLEY M, 2017. Error modelling of a hybrid five degree of freedom mechanism for manipulation of high repetition rate laser microtargets In: Proc. ASPE, Charlotte, USA. 372-377.
WAHYUDIN P. SYAM, WU JIANWEI, BO ZHAO, IAN MASKERY and RICHARD LEACH, 2017. Design of mechanically-optimised lattice structures for vibration isolation In: euspen's 17th International Conference & Exhibition, 29 May - 2 June 2017, Hannover, Germany.
SENIN N, THOMPSON A and LEACH R K, 2017. Feature-based characterisation of signature topography in laser powder bed fusion of metals Meas. Sci. Technol.. 20, 045009
NASROLLAHI, V., PENCHEV, P., DIMOV, S., KORNER, L., LEACH, R. and KIM, K., 2017. Two-side laser processing method for producing high aspect ratio microhole: Journal of Micro and Nano-Manufacturing Journal of Micro and Nano-Manufacturing. 5(4), EVERTON S, HIRSCH M, STRAVROULAKIS P, LEACH R K and CLARE A T, 2016. Review of in-situ process monitoring and in-situ metrology for metal additive manufacturing Materials and Design. 95, 431–445 ALBLALAIHID K, KINNELL P, LAWES S, DESGACHES D and LEACH R K, 2016. Performance assessment of a new variable stiffness
probing system for micro-CMMs Sensors. 16, 492 MOSCHETTI G, FORBES A B, LEACH R K, JIANG X and O'CONNOR D, 2016. Phase and fringe order determination in wavelength scanning interferometry Optics Express. 24(8), 8997-9012 MUSSO G, SENIN N, GALETTO M and LEACH R K, 2016. Uncertainty in dimensional metrology of surface features in advanced manufacturing In: Proc. 16h Int. euspen Conf., Nottingham, UK, Jun. 63-64
ISMAIL M A, TSENG A, CLAVERLEY J M, LEACH R K and CHETWYND D G, 2016. Mechanical properties of styli for micro-CMMs In: Proc. 16th Int. euspen Conf., Nottingham, UK, Jun. 129-130
THOMPSON A, MASKERY I and LEACH R K, 2016. X-ray computed tomography for additive manufacturing: a review Meas. Sci. Technol.. 27, 072001 TOSELLO G, HAITJEMA H, LEACH R K, QUAGLIOTTI D, GASPARIN S and HANSEN H N, 2016. An international comparison of surface texture parameters on polymer artefacts using optical instruments Ann. CIRP. 65, 539-562 MOSCHETTI G, FORBES A B, LEACH R K, JIANG X and O'CONNOR D, 2016. Quadrature wavelength scanning interferometry Appl. Opt.. 55, 5332-5340 THOMPSON A, SENIN N and LEACH R K, 2016. Towards an additive surface atlas In: Proc. ASPE Summer Topical, Rayleigh, NC, USA, Jun. 156-161
STAVROULAKIS P, BOINTON P, SOUTHON N and LEACH R K, 2016. Information-rich approach to non-destructive non-contact measurement planning, inspection and verification for additive manufacturing In: Proc. ASPE Summer Topical, Rayleigh, NC, USA, Jun. 78-80
TOWNSEND A, SENIN N, BLUNT L A, LEACH R K and TAYLOR J, 2016. Surface texture metrology for metal additive manufacturing: a review Precision Engineering. 46, 34-47 TAYLOR, J. S., MOYLAN, S. P., HARRYSSON, O. L. A., LEACH, R. K., BADAMI, V. G., BATE, D. J., BROWN, C. A., DOW, T. A., FITSOS, P. J., GRIFFITH, B., HANSEN, H. N., HERDERICK, E. D., JARED, B. H., KELLY, S. M., KING, W. E., KIRKA, M. M., KUHN, H. A., LUDWICK, S. J., PANAS, R. M., PEIJNENBURG, A. T., SLOCUM, A. H. and VAN KEULEN, F., 2016. Foreword: ASPE/euspen 2016 Summer Topical Meeting on Dimensional Accuracy and Surface Finish in Additive Manufacturing ASPE/euspen 2016 Summer Topical Meeting on Dimensional Accuracy and Surface Finish in Additive Manufacturing. iv CHESNA J W, WIEDMAIER B F, WANG J, SAMARA A, LEACH R K, HER T-H and SMITH S T, 2016. Aerial wetting contact angle measurement using confocal microscopy Meas. Sci. Technol.. 27, 125202 BARKER A, SYAM W P and LEACH R K, 2016. Measurement noise of coherence scanning interferometry in an industrial environment In: Proc. ASPE, Portland, OR, Oct. 554-559
TOSELLO, G., HAITJEMA, H., LEACH, R. K., QUAGLIOTTI, D., GASPARIN, S. and HANSEN, H. N., 2016. An international comparison of surface texture parameters quantification on polymer artefacts using optical instruments: CIRP Annals - Manufacturing Technology CIRP Annals - Manufacturing Technology. 65(1), 529-532 LEACH R K, 2015. Abbe error/offset. In: LAPERRIÈRE L and REINHART G, eds., CIRP Encyclopedia of Production Engineering Springer. 1-4 LEACH R K, EVANS C, HE L, DAVIES A, DUPARRÉ A, HENNING A, JONES C W and O'CONNOR D, 2015. Open questions in surface topography measurement: a roadmap Surf. Topogr.: Metrol. Prop.. 3, 013001 MACAULAY G, SENIN N, GIUSCA C L, LEACH R K and IVANOV A, 2015. Review of feature boundary identification techniques for the
characterization of tessellated surfaces Surf. Topogr.: Metrol. Prop.. 3, 013002 LEACH R K and DE GROOT P J, 2015. The standards rash – is there a cure? Int. J. Metrol. Qual. Eng.. 6 MOSCHETTI G, MUHAMEDSALIH H, O'CONNOR D, JIANG X and LEACH R K, 2015. Vertical axis non-linearities in wavelength scanning interferometry In: Proc. LAMDAMAP XI, Huddersfield, UK, Mar. 31-39
TRIANTAPHYLLOU A, GIUSCA C, MACAULEY G, ROERIG F, HOEBEL M, LEACH R K, TOMITA B and MILNE K, 2015. Surface texture measurement for additive manufacturing Surf. Topog.: Metrol. Prop.. 3, 024002 ISMAIL M A, CLAVERLEY J and LEACH R K, 2015. Design considerations for the development of stylus systems for micro-CMMs In: 15th Int. euspen Conf., Leuven, Belgium, Jun. 185-186
MOSCHETTI G, MUHAMEDSALIH H, JIANG X, LEACH R K and O'CONNOR D, 2015. Extending the vertical range of wavelength scanning interferometry In: Proc. ASPE Summer Topical, Golden, CO. 50-55
FLAY N, SUN W, BROWN S, LEACH R K and BLUMENSATH T, 2015. Investigation of the focal spot drift in industrial cone-beam X-ray computed tomography In: Int. Symp. Digital Industrial Radiology & Computed Tomography, Ghent, Beligium, Jun.
FERRUCCI M, LEACH R K, GIUSCA C, CARMIGNATO S and DEWULF W, 2015. Towards geometrical calibration of x-ray
computed tomography systems—a review Meas. Sci. Technol.. 26, 092003 LEACH R K, GIUSCA C, HAITJEMA H, EVANS C and JIANG X, 2015. Calibration and verification of areal surface texture measuring instruments Ann. CIRP. 64, 797-813 O'CONNOR D, HENNING A, SHERLOCK B, LEACH R K, COUPLAND J M and GIUSCA C, 2015. Model-based defect detection on structured surfaces having optically unresolved features Appl. Opt.. 54, 8872-8877 LEACH R K, 2015. Is one step height enough? In: Proc. ASPE, Austin, USA. 110-113
ALLWOOD J M, CHILDS T H C, CLARE A T, DESILVA A K M, DHOKAI V, HUTCHINGS I M, LEACH R K, LEAL-AYALA D R, LOWTH S, MAJEWSKI C E, MARZANO A, MEHNEN J, NASSEHI A, OZTURK E, RAFFLES M H, ROY R, SHYHA A and TURNER S, 2015. Manufacturing at double the speed Journal of Materials Processing Technology. 229, 729–757 LEACH, R. K., GIUSCA, C. L., HAITJEMA, H., EVANS, C. and JIANG, X., 2015. Calibration and verification of areal surface texture measuring instruments: CIRP Annals - Manufacturing Technology CIRP Annals - Manufacturing Technology. 64(2), 797-813 FERRUCCI, M., LEACH, R. K., GIUSCA, C., CARMIGNATO, S. and DEWULF, W., 2015. Towards geometrical calibration of x-ray computed tomography systems - A review: Measurement Science and Technology Measurement Science and Technology. 26(9), MASKERY I, ABOULKHAIR N T, CORFIELD M R, TUCK C, CLARE A T, LEACH R K, WILDMAN R D, ASHCROFT I A and HAGUE R J M, 2015. Quantification and characterisation of porosity in selectively lasermelted
Al–Si10–Mg using X-ray computed tomography J. Mater. Process. Technol.. 111, 193-204 SENIN N, MACAULAY G, GIUSCA C L and LEACH R K, 2014. On the characterization of periodic patterns in tessellated surfaces Surf. Topog.: Met. Prop.. 2, 025005 GIUSCA C L, CLAVERLEY J D, SUN W, LEACH R K, HELMLI F and CHAVIGNER M P J, 2014. Practical estimation of measurement noise and flatness deviation on focus variation microscopes Ann. CIRP. 63, 545-548 MACAULAY G, SENIN N, GIUSCA C L and LEACH R K, 2014. Comparison of techniques to determine the geometric parameters of structured surfaces Surf. Topog.: Met. Prop.. 2, 044004 KRYSINSKI A, COUPLAND J M, LEACH R K and FLOCKHART G M H, 2014. A simple defect detection technique for high speed roll-to-roll manufacturing In: Proc. 13th Int. euspen Conf., Dubrovnik, Croatia, Jun. 149-152
CLAVERLEY J D, BAAS M, WIDDERSHOVEN I, LEACH R K and SPAAN H, 2014. Installation of a vibrating contacting probe onto an ultra precision CMM In: Proc. ASPE, Boston, MA, Oct.. 78-83
LEACH R K, 2014. Surface texture. In: LAPERRIÈRE L and REINHART G, eds., CIRP Encyclopedia of Production Engineering Springer. HENNING A, GIUSCA C L, FORBES A B, SMITH I M, LEACH R K, COUPLAND J M and MANDAL R, 2013. Correction for lateral distortion in coherence scanning interferometry Ann. CIRP. 62, 547-550 FOREMAN M R, GIUSCA C L, TÖRÖK P and LEACH R K, 2013. Phase-retrieved pupil function and coherent transfer function in confocal microscopy Journal of Microscopy. 251, 99-107 COUPLAND J M, MANDAL R, POLODHI K and LEACH R K, 2013. Coherence scanning interferometry: linear theory of surface measurement Appl. Opt.. 52, 3662-3670 BAKER A, TAN S L, LEACH R K, JUNG L, WONG S Y, TONMUEANWAI A, NAOI K, KIM K, RENEGAR T B, CHAUDHARY K P, KRUGER O, AMER M, GAO S, TSAI C L, ANH N and DRIJARKARA D, 2013. Final report on APMP.L-K8: International comparison of surface roughness Metrologia. 50, 04003 LEACH R K, 2013. Traceability and calibration of surface texture measurement instrumentation. In: WANG Q J and CHUNG Y-W, eds., Encyclopaedia of tribology Springer.
LEACH R K and GIUSCA C L, 2013. Calibration and adjustment of areal surface topography measuring instruments. In: BUYTAERT J, ed., Recent advances in topography research
HIERSEMENZEL F, SINGH J, PETZING J, CLAVERLEY J D and LEACH R K, 2013. Development of a traceable performance verification route for optical micro-CMMs In: Proc. LAMBDAMAP, Chichley, UK, Apr. 373-380
CLAVERLEY J D and LEACH R K, 2013. Three-dimensional characterisation of a novel vibrating tactile probe for miniature CMMs In: Proc. LAMBDAMAP, Chichley, UK, Apr. 257-266
GIUSCA C L, BAZIN L, LEACH R K and HENNING A, 2013. Detemination of the lateral resolution of two surface topography measuring interferometers In: Proc. 11th ISMTII, Aachen, Germany, Jul.
HIERSEMENZEL F, CLAVERLEY J D, PETZING J, HELMLI F and LEACH R K, 2013. ISO compliant reference artefacts for the verification of focus variation-based micro-coordinate measuring machines In: Proc. 12th Int. euspen Conf., Berlin, Germany, Jun 248-251. 248-251
LEACH R K, JONES C W, SHERLOCK B and KRYSINSKI A, 2013. The high dynamic range surface metrology challenge In: Proc. ASPE, St Paul, USA, Nov.. 149-152
CHESNA J W, SCHIMUZU Y and LEACH R K, 2013. On the use of mercury sessile drops as reference artefacts for the calibration of optical surface topography measuring instruments In: Proc. ASPE, St Paul, USA, Nov.. 74-77
BURT D P, DOBSON P S, DOCHERTY K E, JONES C W, LEACH R K, THOMS S, WEAVER J M R and ZHANG Y, 2012. Aperiodic interferometer for six degree of freedom position measurement Optics Letters. 37, 1247-1249 HARRIS P M, SMITH I M, LEACH R K, GIUSCA C L, JIANG X and SCOTT P, 2012. Software measurement standards for areal surface texture parameters: Part 1 – Algorithms Meas. Sci. Technol.. 23, 105008 LEACH R K, CLAVERLEY J D, GIUSCA C L, JONES C W, NIMISHAKAVI L, SUN W, TEDALDI M and YACOOT A, 2012. Advances in engineering nanometrology at the National Physical Laboratory Meas. Sci. Technol.. 23, 074002 WANG J, JIANG X, BLUNT L A, LEACH R K and SCOTT P, 2012. Intelligent sampling for the measurement of structured surfaces Meas. Sci. Technol.. 23, 085006 NIMISHAKAVI L, GIUSCA C L, LEACH R K and BLANCON B, 2012. The areal surface texture of crankshafts for optimizing the process variables during manufacture In: Proc. 3rd Int. Conf. Surface Metrology, Annecy, France, Mar. 46-51
HIERSEMENZEL F, PETZING J, LEACH R K, HELMLI F and SINGH J, 2012. Areal texture and angle measurements of tilted surfaces using focus variation methods In: Proc. 3rd Int. Conf. Surface Metrology, Annecy, France, Mar. 85-89
WANG J, JIANG X, BLUNT L A, LEACH R K and SCOTT P, 2012. 2012 A boundary segmentation algorithm based on tangent analysis for extracting micro-scale dimensional parameters in the measurement of structured surfaces In: Proc. 12th Int. euspen Conf., Stockholm, Sweden, Jun. 113-116
HE B, PETZING J, WEBB D P, CONWAY P P and LEACH R K, 2012. The assessment of areal surface texture parameters for characterizing the adhesive bond strength of copper plated micro-machined glass In: Proc. 12th Int. euspen Conf., Stockholm, Sweden, Jun to. 92-95
HIERSEMENZEL F, PETZING J, GIUSCA C L and LEACH R K, 2012. The assessment of residual flatness errors in focus variation areal measuring instruments In: Proc. 12th Int. euspen Conf., Stockholm, Sweden, Jun. 231-235
MCKEE C, CULSHAW B and LEACH R K, 2012. Thickness and material properties measurement of thin silicon plates using laser generated ultrasound In: Proc. 12th Int. euspen Conf., Stockholm, Sweden, Jun. 97-100
AUSTIN R, GIUSCA C L, LEACH R K, FESTY F, DUNNE S and MOAZZEZ R, 2011. Measurement uncertainty associated with profilometry of tooth wear in vitro J. Dental Research. 90,
LEACH R K, BOYD R, BURKE T, DANZEBRINK H-U, DIRSCHERL K, DZIOMBA T, GEE M, KOENDERS L, MORAZZANI V, PIDDUCK A, ROY D, UNGER W E S and YACOOT A, 2011. The European nanometrology landscape Nanotechnology. 22, 062001 WANG K, JIANG X, GURDAK E, SCOTT P, LEACH R K, TOMLINS P and BLUNT L A, 2011. Numerical characterisation of biomedical titanium surface texture using novel feature parameters Wear. 271, 1059-1065 POLODHI K, COUPLAND J M and LEACH R K, 2011. Measurement of complex refractive index using micro-ellipsometry and its relevance to surface measurement using coherence scanning interferometry In: Proc 13th Int Conf Metrology & Properties of Engineering Surface, Twickenham, UK, April. 358-362
CLAVERLEY J D and LEACH R K, 2011. Verifying the capability of a three axis vibrating micro-scale CMM probe to operate in a non-contact mode In: Proc. ASPE, Nov.
LEACH R K, GIUSCA C L and NAOI K, 2010. Traceability for areal surface texture measurement Key Eng. Mater.. 437, 121-125 RAJAGURU P, STOYANOV S, TANG Y T, BAILEY C, CLAVERLEY J D, LEACH R K and TOPHAM D, 2010. Numerical modelling methodology for design of miniaturised integrated products – an application to 3D CMM micro-probe development In: 11th. Int. Conf. EuroSimE 2010, Bordeaux, France, Apr.. 1-8
LEACH R K, LI T, JIANG X, BLUNT L A and GIUSCA C L, 2010. Comparison of commercial software packages for calculating surface texture parameters In: Proc. 10th euspen Int. Conf., Delft, Netherlands, Jun.. 87-90
CLAVERLEY J D and LEACH R K, 2010. A novel three-axis vibrating micro-CMM probe with isotropic probing forces In: Proc. 10th euspen Int. Conf., Delft, Netherlands, Jun.. 59-62
SHEU D-Y and LEACH R K, 2010. Evaluation method for micro-CMM spherical stylus tips using micro-EDM on-machine measurement In: Proc. ISMQC, Osaka, Japan, Aug.
POLODHI K, COUPLAND J M and LEACH R K, 2010. Determination of the point spread function of a coherence scanning interferometer In: Proc 13th Int Conf Metrology & Properties of Engineering Surface, Twickenham, UK, April. 199-203
HARRIS P M, LEACH R K and GIUSCA C L, 2010. Uncertainty evaluation for the calculation of a surface texture parameter in the profile case In: Proc 13th Int Conf Metrology & Properties of Engineering Surface, Twickenham, UK, April. 204-208
GIUSCA C L, LEACH R K, HELERY F and GUTAUSKAS T, 2010. Calibration of the geometrical characteristics of surface topography measuring instruments In: Proc 13th Int Conf Metrology & Properties of Engineering Surface, Twickenham, UK, April. 177-181
POLODHI K, COUPLAND J M and LEACH R K, 2010. Absolute surface topography measurement of composite structures using coherence scanning interferometry In: Proc. 11th euspen Int. Conf., Como, Italy, May. 255-258
MEYER P, CLAVERLEY J D, KAISER K, MOHR J and LEACH R K, 2010. Comparison of dimensional measurements of microparts made using deep x-ray lithography (LIGA): first results In: Proc. 11th euspen Int. Conf., Como, Italy, May. 96-99
JONES C W, CHETWYND D G, SINGH J and LEACH R K, 2010. Concept and modelling of a novel active triskelion low force transfer artefact In: Proc. 11th euspen Int. Conf., Como, Italy, May. 191-194
D. SMALE, S. RATCHEV, J. SEGAL, R. K. LEACH, J. D. CLAVERLEY, 2009. Assembly of the stem and tip of an innovative micro-CMM probe In: 9th International Conference and Exhibition on Laser metrology, machine tool, CMM and robotic performance LAMDAMAP 2009.
LEACH R K, FLACK D R, HUGHES E B and JONES C W, 2009. Development of a new traceable areal surface texture measuring instrument Wear. 266, 552-554 SUN Y, FOWKES C, GINDY N and LEACH R K, 2009. Variation risk analysis: MEMS fabrication tolerance for a micro CMM probe Int. J. Adv. Manuf. Technol.. 47, 1113-1120 CLAVERLEY J D and LEACH R K, 2009. A vibrating micro-CMM probe for measuring high aspect ratio structures Microsyst. Technol.. 16, 1507-1512 LEACH R K, GIUSCA C L and NAOI K, 2009. A traceability infrastructure for three-dimensional surface measurements at the National Physical Laboratory In: Proc. 9th euspen Int. Conf., San Sebastian, Spain, Jun.. 247-250
FORBES A B and LEACH R K, 2009. Reducing the effects of measurement noise when determining surface texture parameters In: Proc. 9th ISMTII, Saint Petersburg, Russia, Jul.. 2-183 – 2-187
SHEU D-Y, WILSON A and LEACH R K, 2009. Micro spherical stylus tip fabrication and static in-process measurement by micro EDM In: Proc. 3rd Int. Conf. ASPEN, Kitakyusha, Japan, Nov..
GAO F, LEACH R K, PETZING J and COUPLAND J M, 2008. Surface measurement errors using commercial scanning white light interferometers Meas. Sci. Technol.. 19, 015303 JONES C W and LEACH R K, 2008. Adding a dynamic aspect to amplitude-wavelength space Meas. Sci. Technol.. 19, 055105 JONES C W, DAVIDSON S, KRAMER J A, LEACH R K and PRATT J R, 2008. Comparison of NIST SI force scale to NPL SI mass scale In: Proc. ASPE, Portland, Oregon, Oct.. 116-119
STOYANOV S, BAILEY C, LEACH R K, HUGHES E B, WILSON A, O'NEILL W, DOREY R A, SHAW C, UNDERHILL D and ALMOND H, 2008. Modelling and prototyping the conceptual design of a 3D CMM micro-probe In: 2nd Electronics System Integration Technology Conf., Greenwich, UK. 193-198 LEACH R K, 2007. A new tactile probe based on differential interferometry for use in areal surface texture measurement In: Proc. 7th euspen Int. Conf., Bremen, Germany, May. 317-320
LEACH R K, CHETWYND D G, BLUNT L A, HAYCOCKS J, HARRIS P M, JACKSON K, OLDFIELD S and REILLY S, 2006. Recent advances in traceable nanoscale dimension and force metrology in the UK Meas. Sci. Technol.. 17, 467-476 LEACH R K, OLDFIELD S and GEORGAKOPOULOS D, 2006. Traceable nanonewton force measurement at the National Physical Laboratory, UK In: Proc. 6th euspen Int. Conf., Vienna, Austria, May – Jun.. 414-417
BRENNAN J K, CRAMPTON A, JIANG X, LEACH R K and HARRIS P M, 2005. Approximation of surface texture profiles J. Phys.: Conf. Ser.. 13, 264-267 TOMLINS P E, LEACH R K, VADGAMA P, MIKHALOVSKY S and JAMES S, 2005. On the topographical characterisation of biomaterial surfaces. In: VADGAMA P and TOMLINS P E, eds., Surfaces and interfaces for biomaterials Woodhead Publishing Ltd. 693-716
BRENNAN J K, CRAMPTON A, JIANG X and LEACH R K, 2005. Reconstruction of continuous surface profiles from discretely sampled data In: Proc. 5th euspen Int. Conf., Montpellier, France, May. 257-260
FORBES A B and LEACH R K, 2005. Self–calibration of a novel surface texture measuring instrument In: LAMDAMAP VII, Cranfield, UK, Jun.. 276-285
BENNETT I and LEACH R K, 2004. Characterisation of a new vertical scanning white light interferometer – a test case? In: 11th Int. Colloq. Surfaces, Chemnitz, Germany, Feb.. 11-17
LEACH R K and MURPHY J, 2004. Design of a co-ordinate measuring probing system for characterising truly three-dimensional micro-structures In: Proc. 4th euspen Int. Conf., Glasgow, UK, May – Jun.. 230-231
FORBES A B, LEACH R K and BRILL N, 2004. The Abbe principle, self-calibration and the design of co-ordinate measuring machines In: Proc. 4th Int. euspen Conf., Glasgow, UK, May – Jun.. 388-389
LEACH R K, BLUNT L A, CHETWYND D G and YACOOT A, 2002. Nanoscience advances in the UK in support of nanotechnology Int. J. Nanoscience. 1, 123-138 CHETWYND D G and LEACH R K, 2002. Dynamic performance of a cantilever-based topography probe In: Proc. 3rd Int. euspen Conf., Eindhoven, The Netherlands, May. 769-772
LEACH R K, HAYCOCKS J, JACKSON K, LEWIS A and OLDFIELD S, 2001. Advances in traceable nanometrology at the National Physical Laboratory Nanotechnology. 12, R1-R6 LEACH R K, GARBUTT I and COX M G, 2001. Sinusoidally modulated reference artefacts for calibration of surface texture measuring instruments In: Proc. 2nd euspen Int. Conf., Turin, Italy, May. 414-417
LEACH R K, 2001. A recent comparison of stylus and optical methods for measuring surface texture In: 9th IMEKO Symp., Cairo, Egypt, Sep.. 95-99