6 July 2018 Design of a multiband near-infrared sky brightness monitor
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Infrared sky background level is an important parameter of grounded infrared astronomy observations, which should be firstly measured in a good infrared observatory site, and only the site with low background level is suitable for infrared observations. Infrared sky background level can provide background data for the design of related infrared instruments. However, there is no such data available for major sites in China. Based on the requirement, In order to supplement the current site survey data and guide the design of future infrared instruments, a multiband near-infrared sky brightness monitor (MNISBM) based on an InSb sensor is designed in this paper. The MNISBM consists of optical system, mechanical structure and control system, detector and cooler, high gain readout electronic system, operational software. It is completed and carried out an experimental measurement in the laboratory. The result shows that the sensitivity of the MNISBM meets the requirements of the measurement of near-infrared sky background level.
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Feng-xin Jiang, Feng-xin Jiang, Jie Chen, Jie Chen, Shu-cheng Dong, Shu-cheng Dong, Qi-Jie Tang, Qi-Jie Tang, Jin-ting Chen, Jin-ting Chen, Yi-hao Zhang, Yi-hao Zhang, Zhi-yue Wang, Zhi-yue Wang, Yaqi Chen, Yaqi Chen, Hong-fei Zhang, Hong-fei Zhang, Hai-jiao Jiang, Hai-jiao Jiang, Qing-feng Zhu, Qing-feng Zhu, Peng Jiang, Peng Jiang, Tuo Ji, Tuo Ji, Jian Wang, Jian Wang, "Design of a multiband near-infrared sky brightness monitor ", Proc. SPIE 10709, High Energy, Optical, and Infrared Detectors for Astronomy VIII, 107092H (6 July 2018); doi: 10.1117/12.2309842; https://doi.org/10.1117/12.2309842


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