Photon counting camera for the NASA deep space optical communication demonstration on the PSYCHE mission

Benjamin R. Buck; Gregory D. Allen; Erik K. Duerr; K. Alexander McIntosh; Shawn T. Moynihan; Vishwa N. Shukla; Jeffrey D. Wang

doi:10.1117/12.2520617

13 May 2019 Photon counting camera for the NASA deep space optical communication demonstration on the PSYCHE mission

Benjamin R. Buck, Gregory D. Allen, Erik K. Duerr, K. Alexander McIntosh, Shawn T. Moynihan, Vishwa N. Shukla, Jeffrey D. Wang

Author Affiliations +

Proceedings Volume 10978, Advanced Photon Counting Techniques XIII; 1097809 (2019) https://doi.org/10.1117/12.2520617
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

The Photon Counting Camera (PCC) is a single-photon sensitive laser communication camera that will launch on board the NASA PSYCHE spacecraft, part of the Deep-Space Optical Communication (DSOC) technology demonstration mission. The PCC comprises a single-photon sensitive Geiger-mode Avalanche Photo Diode (GmAPD) array connected to an electronics board designed to power, configure, and read out the array. The logic on the electronics board prevents accidental damage to the array, provides health and status information about the array and provides a simple interface to the downstream data processing modules. The array and electronics board are mounted into the chassis, which provides precise alignment between the optics bench and the detector as well as a path to radiate waste heat. We discuss the current design of the camera, including the electronic, thermal, and structural design. We also discuss some of the design challenges and our roadmap to building the flight unit.

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Benjamin R. Buck, Gregory D. Allen, Erik K. Duerr, K. Alexander McIntosh, Shawn T. Moynihan, Vishwa N. Shukla, and Jeffrey D. Wang "Photon counting camera for the NASA deep space optical communication demonstration on the PSYCHE mission", Proc. SPIE 10978, Advanced Photon Counting Techniques XIII, 1097809 (13 May 2019); https://doi.org/10.1117/12.2520617

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