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9 October 2008 Cheetah: A high frame rate, high resolution SWIR image camera
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Abstract
A high resolution, high frame rate InGaAs based image sensor and associated camera has been developed. The sensor and the camera are capable of recording and delivering more than 1700 full 640x512pixel frames per second. The FPA utilizes a low lag CTIA current integrator in each pixel, enabling integration times shorter than one microsecond. On-chip logics allows for four different sub windows to be read out simultaneously at even higher rates. The spectral sensitivity of the FPA is situated in the SWIR range [0.9-1.7 µm] and can be further extended into the Visible and NIR range. The Cheetah camera has max 16 GB of on-board memory to store the acquired images and transfer the data over a Gigabit Ethernet connection to the PC. The camera is also equipped with a full CameralinkTM interface to directly stream the data to a frame grabber or dedicated image processing unit. The Cheetah camera is completely under software control.
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Joel Neys, Jonas Bentell, Matt O'Grady, Jan Vermeiren, Thierry Colin, Peter Hooylaerts, and Bob Grietens "Cheetah: A high frame rate, high resolution SWIR image camera", Proc. SPIE 7106, Sensors, Systems, and Next-Generation Satellites XII, 71061M (9 October 2008); doi: 10.1117/12.799633; https://doi.org/10.1117/12.799633
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