Development of large, fast, low noise x-ray CCD for future space missions

Gregory Prigozhin; Beverly LaMarr; Andrew Malonis; Eric Miller; Richard Foster; Kevan Donlon; Michael Cooper; Christopher Leitz; Marshall Bautz

doi:10.1117/12.2677413

5 October 2023 Development of large, fast, low noise x-ray CCD for future space missions

Gregory Prigozhin, Beverly LaMarr, Andrew Malonis, Eric Miller, Richard Foster, Kevan Donlon, Michael Cooper, Christopher Leitz, Marshall Bautz

Author Affiliations +

Proceedings Volume 12678, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIII; 126780J (2023) https://doi.org/10.1117/12.2677413
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

Our group is currently testing large format high frame rate low noise deep-depletion CCD detectors developed by MIT Lincoln Laboratory for future x-ray missions, such as AXIS. This new generation of detectors makes use of pJFET transistors for output signal readout which results in much lower noise than commonly used MOSFET-based circuits. It also incorporates single-level polysilicon gate structure enabling fast charge transfer with very low clock amplitude. We achieved the level of noise of two electrons rms at 2 MHz rate with six frames/s readout, bringing performance level close to the requirements of AXIS mission. Trying to improve parallel speed we encountered an unexpected phenomenon related to interaction between bias substrate and state of inversion near the CCD gates. This effect reveals an important trade space for selecting mode of operation for large x-ray CCD arrays.

Conference Presentation

Citation Download Citation

Gregory Prigozhin, Beverly LaMarr, Andrew Malonis, Eric Miller, Richard Foster, Kevan Donlon, Michael Cooper, Christopher Leitz, and Marshall Bautz "Development of large, fast, low noise x-ray CCD for future space missions", Proc. SPIE 12678, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIII, 126780J (5 October 2023); https://doi.org/10.1117/12.2677413

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