Design of a sky brightness spectrograph with 2.5-5um band for sky brightness measurements

Jin-ting Chen; Jie Chen; Qi-Jie Tang; Shu-cheng Dong; Yi-hao Zhang; Jun Zhang; Feng-xin Jiang; Zi-hao Li; Qing-feng Zhu; Hong-fei Zhang; Jian Wang

doi:10.1117/12.2528938

9 September 2019 Design of a sky brightness spectrograph with 2.5-5μm band for sky brightness measurements

Jin-ting Chen, Jie Chen, Qi-Jie Tang, Shu-cheng Dong, Yi-hao Zhang, Jun Zhang, Feng-xin Jiang, Zi-hao Li, Qing-feng Zhu, Hong-fei Zhang, Jian Wang

Author Affiliations +

Proceedings Volume 11115, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts IX; 1111506 (2019) https://doi.org/10.1117/12.2528938
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

The 2.5~5um infrared band is an important waveband in infrared astronomy research. Infrared sky brightness monitoring is an important part of ground-based infrared astronomical observations. The measurement of infrared sky brightness and the characteristics of the infrared observation conditions of an area, especially the average intensity and variation parameters of infrared radiation will provide an important reference for future design of infrared telescopes and other observation instruments. We designed a sky brightness spectrograph for 2.5-5um continuous infrared spectroscopy using an InSb detector and conduct a test measurement of the sky brightness radiation intensity with L band whose center wavelength is 3.77um.

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Jin-ting Chen, Jie Chen, Qi-Jie Tang, Shu-cheng Dong, Yi-hao Zhang, Jun Zhang, Feng-xin Jiang, Zi-hao Li, Qing-feng Zhu, Hong-fei Zhang, and Jian Wang "Design of a sky brightness spectrograph with 2.5-5μm band for sky brightness measurements", Proc. SPIE 11115, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts IX, 1111506 (9 September 2019); https://doi.org/10.1117/12.2528938

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