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12 July 2010 High-speed, photon-counting CCD cameras for astronomy
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Abstract
The design of electron multiplying CCD cameras require a very different approach from that appropriate for slow scan CCD operation. This paper describes the main problems in using electron multiplying CCDs for high-speed, photon counting applications in astronomy and how these may be substantially overcome. With careful design it is possible to operate the E2V Technologies L3CCDs at rates well in excess of that claimed by the manufacturer, and that levels of clock induced charge dramatically lower than those experienced with commercial cameras that need to operate at unity gain. Measurements of the performance of the E2V Technologies CCD201 operating at 26 MHz will be presented together with a guide to the effective reduction of clock induced charge levels. Examples of astronomical results obtained with our cameras are presented.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Craig Mackay, Tim D. Staley, David King, Frank Suess, and Keith Weller "High-speed, photon-counting CCD cameras for astronomy", Proc. SPIE 7742, High Energy, Optical, and Infrared Detectors for Astronomy IV, 774202 (12 July 2010); https://doi.org/10.1117/12.855282
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