Mr. Andrew P. Ashcroft Profile

Andrew P. Ashcroft

Systems Engineer

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Author

Publications (6)

Proceedings Article | 24 June 2014 Paper

A long-range camera based on an HD MCT array of 12µm pixels

D. Davy, S. Ashley, B. Davison, A. Ashcroft, R. McEwen, R. Moore

Proceedings Volume 9070, 90700G (2014) https://doi.org/10.1117/12.2050322

KEYWORDS: Cameras, Zoom lenses, Electronics, Staring arrays, Image processing, Sensors, Lens design, Turbulence, Manufacturing, Control systems

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Proceedings Article | 11 June 2013 Paper

A miniature ruggedized fast frame rate infrared sensor module for hostile fire detection and industrial applications

Andrew Ashcroft, Lee Richardson, Richard Ash, Peter Thorne, David Isgar, David Jeckells, Martin Stevens, Tim Davey, Asim Malik

Proceedings Volume 8704, 87040F (2013) https://doi.org/10.1117/12.2015861

KEYWORDS: Sensors, Electronics, Infrared sensors, Flame detectors, Readout integrated circuits, Mid-IR, Photodiodes, Cameras, Control systems, Semiconducting wafers

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Proceedings Article | 31 May 2012 Paper

Half-TV format MWIR sensor module incorporating proximity electronics

A. Ashcroft, L. Richardson, J. Harji, F. Giuliano

Proceedings Volume 8353, 83530J (2012) https://doi.org/10.1117/12.919685

KEYWORDS: Sensors, Electronics, Staring arrays, Reliability, Infrared sensors, Video, Infrared detectors, Signal detection, Prototyping, Manufacturing

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Proceedings Article | 4 May 2010 Paper

Developments in HgCdTe avalanche photodiode technology and applications

Andrew Ashcroft, Ian Baker

Proceedings Volume 7660, 76603C (2010) https://doi.org/10.1117/12.850133

KEYWORDS: Sensors, 3D image processing, Avalanche photodetectors, Mercury cadmium telluride, Avalanche photodiodes, LIDAR, Pulsed laser operation, Image segmentation, Wavefront sensors, Interferometry

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Proceedings Article | 9 October 2008 Paper

Recent developments in very long wave and shortwave infrared detection for space applications

Andrew Ashcroft, Chris Jones, Les Hipwood, Ian Baker, Peter Thorne, Nick Shorrocks, Peter Knowles, Harald Weller

Proceedings Volume 7106, 71061I (2008) https://doi.org/10.1117/12.800099

KEYWORDS: Diodes, Sensors, Avalanche photodetectors, Amplifiers, Readout integrated circuits, Resistance, Photodiodes, Capacitance, Thermography, Signal to noise ratio

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Proceedings Article | 17 October 2007 Paper

Infrared sensors for Earth observation missions

P. Ashcroft, P. Thorne, H. Weller, I. Baker

Proceedings Volume 6744, 67440W (2007) https://doi.org/10.1117/12.754793

KEYWORDS: Sensors, Diodes, Readout integrated circuits, Avalanche photodetectors, Short wave infrared radiation, Infrared sensors, Signal to noise ratio, Infrared radiation, Mid-IR, Capacitance

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Showing 5 of 6 publications

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