Performance test of commercial InGaAs detectors in low temperature

Hao-ran Ma; Wen-qing Qu; Yu Ning; Jiang-yuan Wei; Jie Gao; Hong-fei Zhang; Jian Wang

doi:10.1117/12.3017911

27 August 2024 Performance test of commercial InGaAs detectors in low temperature

Hao-ran Ma, Wen-qing Qu, Yu Ning, Jiang-yuan Wei, Jie Gao, Hong-fei Zhang, Jian Wang

Proceedings Volume 13103, X-Ray, Optical, and Infrared Detectors for Astronomy XI; 131031E (2024) https://doi.org/10.1117/12.3017911
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

The conventional response band of Indium Gallium Arsenide (InGaAs) detectors ranges from 0.9 to 1.7μm. The J atmospheric window (1.25μm) in infrared astronomy falls at the center of the response band of InGaAs detectors, making them widely used in this spectral region for infrared astronomy. Three representative Chinese-made Indium Gallium Arsenide focal plane arrays (InGaAs FPAs) were selected, and corresponding interface circuits were designed to match the testing system. Key performance indicators such as dark current, gain, and readout noise were tested.

Citation Download Citation

Hao-ran Ma, Wen-qing Qu, Yu Ning, Jiang-yuan Wei, Jie Gao, Hong-fei Zhang, and Jian Wang "Performance test of commercial InGaAs detectors in low temperature", Proc. SPIE 13103, X-Ray, Optical, and Infrared Detectors for Astronomy XI, 131031E (27 August 2024); https://doi.org/10.1117/12.3017911

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