5 August 2016 Low temperature performance of a commercially available InGaAs image sensor
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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.
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Hidehiko Nakaya, Hidehiko Nakaya, Yutaka Komiyama, Yutaka Komiyama, Nobunari Kashikawa, Nobunari Kashikawa, Tomohisa Uchida, Tomohisa Uchida, Takahiro Nagayama, Takahiro Nagayama, Michitoshi Yoshida, 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); doi: 10.1117/12.2231169; https://doi.org/10.1117/12.2231169
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