C-RED 2 ER: high speed extended range InGaAs cameras

Isaure De Kernier; Yann Wanwanscappel; David Boutolleau; Thomas Carmignani; Fabien Clop; Philippe Feautrier; J. L. Gach; Stephane Lemarchand; Eric Stadler

doi:10.1117/12.2630510

29 August 2022 C-RED 2 ER: high speed extended range InGaAs cameras

Isaure De Kernier, Yann Wanwanscappel, David Boutolleau, Thomas Carmignani, Fabien Clop, Philippe Feautrier, J. L. Gach, Stephane Lemarchand, Eric Stadler

Author Affiliations +

Proceedings Volume 12191, X-Ray, Optical, and Infrared Detectors for Astronomy X; 121912M (2022) https://doi.org/10.1117/12.2630510
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

MCT-based cameras are very competitive when it comes to ultra-low light imaging, however it is crucial for less demanding applications to have a non-cryogenic and cost-effective solution. Progress in band-gap engineering has enabled to shift the detection cut-off wavelength of InGaAs by tuning the indium composition of the In_xGa_1-xAs compound. Operating with a double TEC coupled to air and water cooling, the C-RED 2 Extended Range cameras are an alternative to MCT for specific applications in astronomy and free space optics. We will present the performances of these new VGA extended range InGaAs cameras with sensitivity from 1.1 μm to 1.9 μm and from 1.2 μm to 2.2 μm.

Citation Download Citation

Isaure De Kernier, Yann Wanwanscappel, David Boutolleau, Thomas Carmignani, Fabien Clop, Philippe Feautrier, J. L. Gach, Stephane Lemarchand, and Eric Stadler "C-RED 2 ER: high speed extended range InGaAs cameras", Proc. SPIE 12191, X-Ray, Optical, and Infrared Detectors for Astronomy X, 121912M (29 August 2022); https://doi.org/10.1117/12.2630510

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