Prof. Jeremy Michael Coupland Profile

Prof. Jeremy Michael Coupland

at Loughborough Univ

SPIE Involvement:

Author

Publications (28)

SPIE Journal Paper | 18 October 2021 Open Access

Modeling of coherence scanning interferometry using classical Fourier optics

Peter de Groot, Xavier Colonna de Lega, Rong Su, Jeremy Coupland, Richard Leach

OE, Vol. 60, Issue 10, 104106, (October 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.10.104106

KEYWORDS: 3D modeling, Interferometry, Fourier optics, Instrument modeling, Optical engineering, Light sources, 3D metrology, Signal detection, Imaging systems, Spatial frequencies

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Proceedings Article | 5 August 2021 Presentation + Paper

Fourier optics modelling of coherence scanning interferometers

Peter de Groot, Xavier Colonna de Lega, Rong Su, Jeremy Coupland, Richard Leach

Proceedings Volume 11817, 118170M (2021) https://doi.org/10.1117/12.2595668

KEYWORDS: 3D modeling, Interferometry, Fourier optics, Instrument modeling, Objectives, Light sources, Microscopes, Diffraction, Spatial frequencies, Interferometers

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Proceedings Article | 1 April 2020 Paper

Surface scattering and the 3D transfer characteristics of optical profilometers

Jeremy Coupland, Nikolay Nikolaev

Proceedings Volume 11352, 113520K (2020) https://doi.org/10.1117/12.2556878

KEYWORDS: Confocal microscopy, Scattering, Convolution, 3D metrology, Microscopes, 3D modeling, Optical testing, Interferometry, Multiple scattering, Profilometers

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SPIE Journal Paper | 25 March 2020 Open Access

Modeling of interference microscopy beyond the linear regime

Matthew Thomas, Rong Su, Nikolay Nikolaev, Jeremy Coupland, Richard Leach

OE, Vol. 59, Issue 03, 034110, (March 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.3.034110

KEYWORDS: 3D modeling, Instrument modeling, Microscopy, Scattering, Optical engineering, Spatial frequencies, Objectives, Multiple scattering, Data modeling, Polarization

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Proceedings Article | 3 September 2019 Presentation + Paper

High-accuracy surface measurement through modelling of the surface transfer function in interference microscopy

Rong Su, Matthew Thomas, Mingyu Liu, Jeremy Coupland, Richard Leach

Proceedings Volume 11102, 1110205 (2019) https://doi.org/10.1117/12.2528911

KEYWORDS: 3D metrology, Spatial frequencies, Microscopy, Manufacturing, 3D modeling

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Proceedings Article | 21 June 2019 Presentation + Paper

High-NA lensless coherent imager as a building block for a synthetic aperture interferometry array

Jorge Garcia-Armenta, Pablo Ruiz, Charles Coggrave, Ian Park, Jeremy Coupland

Proceedings Volume 11056, 1105607 (2019) https://doi.org/10.1117/12.2526153

KEYWORDS: Holograms, Sensors, Imaging systems, Prototyping, Interferometry, Digital holography, Photodetectors, Spatial resolution

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Proceedings Article | 21 June 2019 Presentation + Paper

Modelling of coherence scanning interferometry for complex surfaces based on a boundary element method

Matthew Thomas, Rong Su, Nikolay Nikolaev, Jeremy Coupland, Richard Leach

Proceedings Volume 11057, 1105713 (2019) https://doi.org/10.1117/12.2526015

KEYWORDS: 3D modeling, Scattering, Interferometry, Multiple scattering, Modeling, Phase measurement, Instrument modeling, Systems modeling, Spatial frequencies

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Coherence scanning interferometry (CSI) is a well-established technique for measuring surface topography based on the coherence envelope and phase of interference fringes. The most commonly used surface reconstruction methods, i.e. frequency domain analysis, the envelope detection method, and the correlogram correlation method, obtain the phase of the measured field for each pixel and, from this obtain the surface height, by assuming the two are directly proportional. For surfaces with minor deviations from a plane, it is straightforward to show that the scattered field’s phase is a linear function of surface height. An alternative approach known as the “foil model” gives more generally the scattered field as the result of a linear filtering process operating on a “foil” representation of the surface. This model assumes that the surface slowly varies on the optical scale and that there is no multiple scattering. However, for surfaces that are rough at the optical scale or have coherent features (e.g. vee-grooves), the effect of multiple scattering cannot be neglected and remains a problem for reconstruction methods. Linear reconstruction methods cannot provide accurate surface topographies for complex surfaces, since for such surfaces, the measurement process of CSI is fundamentally non-linear. To develop an advanced reconstruction method for CSI, an accurate model of the imaging process is required. In this paper, a boundary elements method is used as a rigorous scattering model to calculate the scattered field at a distant boundary. Then, the CSI signal is calculated by considering the image formation as back-propagation of the scattered field, combined with the reflected reference field. Through this approach, the optical response of a CSI system can be predicted rigorously for almost any arbitrary surface geometry. Future work will include a comprehensive experimental verification of this model, and development of the non-linear surface reconstruction algorithm.

Proceedings Article | 26 June 2017 Paper

Tolerance on sphere radius for the calibration of the transfer function of coherence scanning interferometry

Rong Su, Jeremy Coupland, Yuhang Wang, Richard Leach

Proceedings Volume 10329, 103290L (2017) https://doi.org/10.1117/12.2272041

KEYWORDS: Analytical research, Spherical lenses, Calibration, Tolerancing, Interferometry, Metrology, Point spread functions, 3D modeling, Interferometers

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Proceedings Article | 1 July 2015 Paper

Numerical simulation and experimental investigation of laser dissimilar welding of carbon steel and austenitic stainless steel

M. Nekouie Esfahani, J. Coupland, S. Marimuthu

Proceedings Volume 9657, 96570N (2015) https://doi.org/10.1117/12.2176026

KEYWORDS: Carbon, Laser welding, Fusion energy, Metals, Liquid crystals, Numerical simulations, Liquids, Finite element methods, Heat treatments, Chromium

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Proceedings Article | 17 October 2013 Paper

Automated cloud classification using a ground based infra-red camera and texture analysis techniques

Emal Rumi, David Kerr, Jeremy Coupland, Andrew Sandford, Mike Brettle

Proceedings Volume 8890, 88900J (2013) https://doi.org/10.1117/12.2025238

KEYWORDS: Clouds, Cameras, Infrared imaging, Infrared cameras, Image classification, Image filtering, Thermography, Sun, Visible radiation, Infrared radiation

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Proceedings Article | 8 May 2012 Paper

Application of linear systems theory to characterize coherence scanning interferometry

Rahul Mandal, Kanik Palodhi, Jeremy Coupland, Richard Leach, Daniel Mansfield

Proceedings Volume 8430, 84300T (2012) https://doi.org/10.1117/12.922435

KEYWORDS: Point spread functions, Optical spheres, Electronic filtering, Calibration, Mercury, Spherical lenses, Interferometry, Linear filtering, Image filtering, Refractive index

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Proceedings Article | 5 May 2012 Paper

Advances in calibration methods for micro- and nanoscale surfaces

R. Leach, C. Giusca, J. Coupland

Proceedings Volume 8430, 84300H (2012) https://doi.org/10.1117/12.928181

KEYWORDS: Calibration, Optical components, Standards development, Optics manufacturing, Nanolithography, Metrology, Scattering, Confocal microscopy, Optical spheres, Manufacturing

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Proceedings Article | 14 September 2010 Paper

Tilt scanning interferometry: a 3D k-space representation for depth-resolved structure and displacement measurement in scattering materials

Gustavo Galizzi, Jeremy Coupland, Pablo Ruiz

Proceedings Volume 7387, 73870Y (2010) https://doi.org/10.1117/12.870257

KEYWORDS: 3D metrology, Scattering, Fourier transforms, Interferometry, Linear filtering, Diffraction, Tomography, Refractive index, Imaging systems, 3D image processing

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Proceedings Article | 27 April 2006 Paper

Discussion of the finite element method in optical diffraction tomography

Julia Lobera, Jeremy Coupland

Proceedings Volume 6188, 61880I (2006) https://doi.org/10.1117/12.662102

KEYWORDS: Scattering, Refractive index, Finite element methods, Diffraction, Glasses, Microscopy, Tomography, Inverse optics, Microscopes, Optical tomography

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Proceedings Article | 14 April 2006 Paper

Three-dimensional shift-invariant pattern recognition in digital holographic microscopy

Ning Wu, Neil Halliwell, Jeremy Coupland

Proceedings Volume 6191, 61910S (2006) https://doi.org/10.1117/12.662439

KEYWORDS: Particles, Digital holography, Holography, Image filtering, 3D image processing, Optical filters, Microscopes, Holograms, Pattern recognition, Image processing

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Proceedings Article | 10 November 2003 Paper

Holographic particle image velocimetry: a comparison of digital shearing and 3D correlation analysis methods

Hui Yang, Rob Alcock, Neil Halliwell, Jeremy Coupland

Proceedings Volume 5191, (2003) https://doi.org/10.1117/12.510214

KEYWORDS: Digital holography, 3D image processing, Holograms, Holography, Particle image velocimetry, Particles, 3D metrology, Optical diagnostics, Solids, Combustion

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Proceedings Article | 10 November 2003 Paper

Holographic particle image velocimetry: optical conjugate reconstruction using a simplified transmission geometry

Rob Alcock, Colin Garner, Neil Halliwell, Jeremy Coupland

Proceedings Volume 5191, (2003) https://doi.org/10.1117/12.510033

KEYWORDS: Particles, Holograms, Holography, 3D image reconstruction, Holographic optical elements, Optical character recognition, Combustion, Ray tracing, Cameras, Particle image velocimetry

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Proceedings Article | 31 August 2000 Paper

Fundamental limitations to the spatial resolution and flow volume that can be mapped using holographic particle image velocimetry

Jeremy Coupland, Julia Lobera Salazar, Neil Halliwell

Proceedings Volume 4076, (2000) https://doi.org/10.1117/12.397966

KEYWORDS: Particles, Holograms, 3D image reconstruction, Holography, Fringe analysis, Spatial resolution, Signal to noise ratio, Particle image velocimetry, Velocity measurements, Light scattering

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Proceedings Article | 13 October 1999 Paper

Unified system for 3D holographic displacement and velocity measurements in fluid and solid mechanics: design and construction of the recording camera and interrogation assembly

Donald Barnhart, Victor Chan, Neil Halliwell, Jeremy Coupland

Proceedings Volume 3783, (1999) https://doi.org/10.1117/12.365734

KEYWORDS: Holography, Holograms, Zirconium, 3D image reconstruction, Particles, Wavefronts, Solids, Optical fibers, 3D metrology, Holographic interferometry

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Proceedings Article | 13 October 1999 Paper

Unified system for holographic measurement in fluid and solid mechanics: use of the system for 3D displacement measurement on surfaces

Donald Barnhart, Victor Chan, Neil Halliwell, Jeremy Coupland

Proceedings Volume 3783, (1999) https://doi.org/10.1117/12.365740

KEYWORDS: Holographic optical elements, Holography, Holograms, 3D metrology, Solids, Calibration, Mechanics, Cameras, Phase conjugation, Holographic interferometry

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Proceedings Article | 13 October 1999 Paper

Unified system for holographic measurement in fluid and solid mechanics: use of the system for 3D velocity measurement in fluids through a thick curved window

Victor Chan, Donald Barnhart, Neil Halliwell, Jeremy Coupland

Proceedings Volume 3783, (1999) https://doi.org/10.1117/12.365736

KEYWORDS: Holograms, Holography, Holographic optical elements, 3D image reconstruction, Solids, Particles, Phase conjugation, Velocity measurements, Wave propagation, Mechanics

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Proceedings Article | 13 October 1999 Paper

Unified system for holographic measurement in fluid and solid mechanics: application of the system to volumetric flow measurement in an internal combustion engine

Victor Chan, Donald Barnhart, Colin Garner, Neil Halliwell, Jeremy Coupland

Proceedings Volume 3783, (1999) https://doi.org/10.1117/12.365758

KEYWORDS: Holography, Particles, Holograms, Data modeling, Combustion, Holographic optical elements, Phase conjugation, Image processing, Solids, Mechanics

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Proceedings Article | 1 June 1998 Paper

Progress in the development of the laser Doppler accelerometer

Alan Hocknell, Jeremy Coupland, Steve Rothberg

Proceedings Volume 3411, (1998) https://doi.org/10.1117/12.307720

KEYWORDS: Photodetectors, Polarization, Doppler effect, Laser sources, Coherence (optics), Laser Doppler velocimetry, Light, Laser development, Diffraction gratings, Beam splitters

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Proceedings Article | 23 March 1998 Paper

Pre-detector processing of three-dimensional incoherent image fields

Robin Alcock, Neil Halliwell, Jeremy Coupland, Phillip Sutton, John Savage

Proceedings Volume 3386, (1998) https://doi.org/10.1117/12.304753

KEYWORDS: Optical components, Image processing, Image filtering, Convolution, 3D image processing, Optical filters, Linear filtering, Cameras, Imaging systems, Chemical elements

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Proceedings Article | 23 March 1998 Paper

Cascaded linear shift invariant processing to improve discrimination and noise tolerance in optical pattern recognition

Stuart Reed, Jeremy Coupland

Proceedings Volume 3386, (1998) https://doi.org/10.1117/12.304773

KEYWORDS: Optical correlators, Neural networks, Detection and tracking algorithms, Tolerancing, Image filtering, Linear filtering, Optical pattern recognition, Neurons, Optical filters, Algorithms

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Proceedings Article | 23 March 1998 Paper

Optical correlator for spectral pattern recognition

Robin Alcock, Neil Halliwell, Jeremy Coupland, Phillip Sutton, John Savage

Proceedings Volume 3386, (1998) https://doi.org/10.1117/12.304775

KEYWORDS: Optical correlators, Optical filters, Optical pattern recognition, Interferometers, Coherence imaging, Coherence (optics), Cameras, Optical signal processing, Holography, Spatial light modulators

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