An infrared imaging system based on SWIR FPA of SOFRADIR

被引：2
|
作者：
Deng, Jian [1 ]
Wang, Shujun [2 ]
Shang, Yuanyuan [1 ]
Qiu, Zhiqiang [1 ]
机构：
[1] Chinese Acad Sci, Res Labs F Astron, Natl Astron Observ, Beijing 100012, Peoples R China
[2] Beijing Normal Univ, Photoelect Detect Inst, Beijing 10012, Peoples R China
来源：
HIGH ENERGY, OPTICAL, AND INFRARED DETECTORS FOR ASTRONOMY II | 2006年 / 6276卷
关键词：
IRFPA; camera controller; embedded processor;
D O I：
10.1117/12.670965
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In the interest of expanding our ground-based observation to the infrared spectral range, we have built a short wave (SW) infrared imaging system operating in 0.9-2.5 mu m. It is based on a commercial infrared focal plane array (IRFPA) assembly from Sofradir, France. We have changed the cooling mode of this module from thermoelectric cooler (TEC) to liquid nitrogen to further reduce the dark current of detector. A camera controller based on the soft-core embedded processor and the relevant acquisition software has been also developed. This paper presents each part of the infrared imaging system in detail and the preliminary results of testing and astronomical observation.
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页数：9
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