Developments in the SAPHIRA family of HgCdTe APD infrared arrays for low flux sensing: present and future

Kim Lake; Vincent Isgar; Ian Baker; Mark Herrington; Les Hipwood; Chris Maxey; Harald Weller; Keith Barnes; Matthew Hicks

doi:10.1117/12.2573915

20 September 2020 Developments in the SAPHIRA family of HgCdTe APD infrared arrays for low flux sensing: present and future

Kim Lake, Vincent Isgar, Ian Baker, Mark Herrington, Les Hipwood, Chris Maxey, Harald Weller, Keith Barnes, Matthew Hicks

Author Affiliations +

Proceedings Volume 11530, Sensors, Systems, and Next-Generation Satellites XXIV; 115300H (2020) https://doi.org/10.1117/12.2573915
Event: SPIE Remote Sensing, 2020, Online Only

Abstract

SAPHIRA (320x256/24μm) is the first of a family of HgCdTe APD infrared sensors for NIR/SWIR sensing in low flux conditions for scientific applications. The paper will present the status of the latest developments of detectors suitable for a range of ground and space applications including wavefront sensing, low flux imaging, Lidar and high speed optical communications. The next generation SAPHIRA (512x512/24μm) array has an architecture specific to pyramid wavefront sensors, supported by a consortium comprising European Southern Observatory, Max Planck Institute, NRC Herzberg Institute and Potsdam University. A 1kx1k/15μm, 3-side buttable sensor called Ike Pono after the Hawaiian for ‘far-vision’ is aimed at extreme, low-flux imaging, supported by NASA through the University of Hawaii, Institute of Astronomy. A large area device suitable for LIDAR and supported by NASA also demonstrates a performance suitable for high speed optical communication applications. Most recently the development of a 2k x 2k/ 15μm device for scientific imaging has started with the support of ESA.

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Kim Lake, Vincent Isgar, Ian Baker, Mark Herrington, Les Hipwood, Chris Maxey, Harald Weller, Keith Barnes, and Matthew Hicks "Developments in the SAPHIRA family of HgCdTe APD infrared arrays for low flux sensing: present and future", Proc. SPIE 11530, Sensors, Systems, and Next-Generation Satellites XXIV, 115300H (20 September 2020); https://doi.org/10.1117/12.2573915

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