Operation of a H4RG-10 in the NASA Goddard Astrophyiscs Divison IR detector lab testbed

Gregory Mosby Jr.; Bernard J. Rauscher; Alexander Kutyrev

doi:10.1117/12.2313503

6 July 2018 Operation of a H4RG-10 in the NASA Goddard Astrophyiscs Divison IR detector lab testbed

Gregory Mosby Jr., Bernard J. Rauscher, Alexander Kutyrev

Proceedings Volume 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII; 1070929 (2018) https://doi.org/10.1117/12.2313503
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

Future space and ground based missions in the near infrared are planning to or will utilize the next generation of Teledyne's HxRG detectors, the HgCdTe 4K x 4K array (H4RG). The science cases of such missions will require optimal stability and noise performance. To assess the detailed performance of the H4RG, we have developed a small single detector testbed in NASA Goddard's Astrophysics Division IR detector lab. The testbed operates a H4RG array inside a large dewar using a room temperature Leach controller. The dewar will include two integrating spheres with controlled apertures using NIR LEDs as light sources as well as a calibrated photodiode to precisely measure ux. We present preliminary results of a banded H4RG-10 array on the bench. In the near future, we plan to use the test bed to investigate the specific origins of electronic noise in the test bed, persistence, and other flux dependent nonlinearities.

Citation Download Citation

Gregory Mosby Jr., Bernard J. Rauscher, and Alexander Kutyrev "Operation of a H4RG-10 in the NASA Goddard Astrophyiscs Divison IR detector lab testbed", Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 1070929 (6 July 2018); https://doi.org/10.1117/12.2313503

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KEYWORDS

Sensors

Integrating spheres

Near infrared

Integrated optics

Light emitting diodes

Mercury cadmium telluride

Computer aided design

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