Dr. Andrew C. Lewin Profile

Dr. Andrew C. Lewin

at QinetiQ Ltd

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 25 September 2009 Paper

Retro-reflective communications over a kilometre range using a MEMS-based optical tag

Andrew Scott, Kevin Ridley, David Jones, Mark McNie, Gilbert Smith, Kevin Brunson, Andrew Lewin, Keith Lewis

Proceedings Volume 7480, 74800L (2009) https://doi.org/10.1117/12.835073

KEYWORDS: Modulators, Modulation, Micromirrors, Sensors, Logic, Silicon, Telecommunications, Fabry–Perot interferometers, Microelectromechanical systems, Signal detection

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Proceedings Article | 14 February 2007 Paper

Improvement and commissioning of a novel technology for the measurement of laser-beam profiles

Simon Hall, David Robinson, Steven Knox, Hui Yang, Andrew Scott, Simon Woods, Andrew Turner, Andrew Lewin

Proceedings Volume 6452, 645208 (2007) https://doi.org/10.1117/12.699073

KEYWORDS: Sensors, Diffraction gratings, Laser beam propagation, Standards development, Vertical cavity surface emitting lasers, Optical testing, Beam propagation method, Laser applications, Cameras, CCD image sensors

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Proceedings Article | 16 December 2004 Paper

A 3D camera for improved facial recognition

Andrew Lewin, David Orchard, Andrew Scott, Nicholas Walton, Jim Austin

Proceedings Volume 5616, (2004) https://doi.org/10.1117/12.580847

KEYWORDS: Cameras, Facial recognition systems, Projection systems, 3D image processing, Sensors, 3D modeling, Databases, Stereoscopic cameras, Data modeling, 3D metrology

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Proceedings Article | 22 May 2000 Paper

Laser-diode-based pseudo-heterodyne interferometer for online process control of wire bonders

Andrew Lewin, F. Ritter, Georg Siegmund

Proceedings Volume 4072, (2000) https://doi.org/10.1117/12.386725

KEYWORDS: Interferometers, Frequency modulation, Modulation, Sensors, Fermium, Semiconductor lasers, Head, Doppler effect, Process control, Electronics

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Proceedings Article | 1 June 1998 Paper

Compact laser vibrometer for industrial and medical applications

Andrew Lewin

Proceedings Volume 3411, (1998) https://doi.org/10.1117/12.307750

KEYWORDS: Head, Sensors, Interferometry, Interference (communication), Surgery, Reflectivity, Semiconductor lasers, Laser applications, Microscopes, Interferometers

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