Low temperature performance of a commercially available InGaAs image sensor

Hidehiko Nakaya; Yutaka Komiyama; Nobunari Kashikawa; Tomohisa Uchida; Takahiro Nagayama; Michitoshi Yoshida

doi:10.1117/12.2231169

5 August 2016 Low temperature performance of a commercially available InGaAs image sensor

Hidehiko Nakaya, Yutaka Komiyama, Nobunari Kashikawa, Tomohisa Uchida, Takahiro Nagayama, Michitoshi Yoshida

Proceedings Volume 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII; 99151O (2016) https://doi.org/10.1117/12.2231169
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

We report the evaluation results of a commercially available InGaAs image sensor manufactured by Hamamatsu Photonics K. K., which has sensitivity between 0.95μm and 1.7μm at a room temperature. The sensor format was 128×128 pixels with 20 μm pitch. It was tested with our original readout electronics and cooled down to 80 K by a mechanical cooler to minimize the dark current. Although the readout noise and dark current were 200 e^- and 20 e^- /sec/pixel, respectively, we found no serious problems for the linearity, wavelength response, and intra-pixel response.

Citation Download Citation

Hidehiko Nakaya, Yutaka Komiyama, Nobunari Kashikawa, Tomohisa Uchida, Takahiro Nagayama, and Michitoshi Yoshida "Low temperature performance of a commercially available InGaAs image sensor", Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99151O (5 August 2016); https://doi.org/10.1117/12.2231169

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