Maturing CCD photon-counting technology for space flight

Udayan Mallik; Richard Lyon; Peter Petrone III; Michael McElwain; Dominic Benford; Mark Clampin; Brian HIcks

doi:10.1117/12.2189904

16 September 2015 Maturing CCD photon-counting technology for space flight

Udayan Mallik, Richard Lyon, Peter Petrone III, Michael McElwain, Dominic Benford, Mark Clampin, Brian HIcks

Proceedings Volume 9605, Techniques and Instrumentation for Detection of Exoplanets VII; 960515 (2015) https://doi.org/10.1117/12.2189904
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

This paper discusses charge blooming and starlight saturation – two potential technical problems – when using an Electron Multiplying Charge Coupled Device (EMCCD) type detector in a high-contrast instrument for imaging exoplanets. These problems especially affect an interferometric type coronagraph – coronagraphs that do not use a mask to physically block starlight in the science channel of the instrument. These problems are presented using images taken with a commercial Princeton Instrument EMCCD camera in the Goddard Space Flight Center’s (GSFC), Interferometric Coronagraph facility. In addition, this paper discusses techniques to overcome such problems. This paper also discusses the development and architecture of a Field Programmable Gate Array and Digital-to-Analog Converter based shaped clock controller for a photon-counting EMCCD camera. The discussion contained here will inform high-contrast imaging groups in their work with EMCCD detectors.

Citation Download Citation

Udayan Mallik, Richard Lyon, Peter Petrone III, Michael McElwain, Dominic Benford, Mark Clampin, and Brian HIcks "Maturing CCD photon-counting technology for space flight", Proc. SPIE 9605, Techniques and Instrumentation for Detection of Exoplanets VII, 960515 (16 September 2015); https://doi.org/10.1117/12.2189904

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KEYWORDS

Electron multiplying charge coupled devices

Cameras

Clocks

Sensors

Coronagraphy

Exoplanets

Stars

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