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Proceedings Paper

Four-band infrared detector for FY-2C application
Author(s): Haimei Gong; Guosen Xu; Sangen Zhu; Huiguo Qiu; Xiangyang Li; Dingquan Liu; Longyuan Zhu; Xingchao Lin; Yan Zhang; Jiaxiong Fang
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Paper Abstract

Four-band HgCdTe infrared (IR) detector is developed for the first operational Chinese geostationary meteorological satellite FY-2C launched on October 19, 2004. As the Visible Infrared Spin-Scan Radiometer (VISSR) is the primary payload on FY-2C, the IR detector is one of the most important modules for such an imaging instrument. Compared with its predecessors FY-2A and FY-2B (experimental models, launched in June 1997 and June 2000 respectively), the detector used in FY-2C is quite different in band selection and detector package. The four band IR detector for FY-2C application consists of four photoconductive (PC) detector chips made of Hg1-xCdxTe with different compositions x , corresponding to the wavelengths of 3.5 to 4.0μm, 6.3 to 7.6μm, 10.3 to 11.3μm and 11.5 to 12.5μm respectively. Four cooled IR filters are included in one detector package, which enables us to simplify the system without any IR beam splitters and IR filters outside the detector for defining separate bands. The IR detector operates at radiative cooler temperature ranging from 92 to 102K. This paper reviews the design, process and packaging for the four-band IR detector used in FY-2C satellite. The performances and related aspects of this detector are also presented.

Paper Details

Date Published: 14 October 2005
PDF: 8 pages
Proc. SPIE 5964, Detectors and Associated Signal Processing II, 59640B (14 October 2005); doi: 10.1117/12.625037
Show Author Affiliations
Haimei Gong, Shanghai Institute of Technical Physics, CAS (China)
Guosen Xu, Shanghai Institute of Technical Physics, CAS (China)
Sangen Zhu, Shanghai Institute of Technical Physics, CAS (China)
Huiguo Qiu, Shanghai Institute of Technical Physics, CAS (China)
Xiangyang Li, Shanghai Institute of Technical Physics, CAS (China)
Dingquan Liu, Shanghai Institute of Technical Physics, CAS (China)
Longyuan Zhu, Shanghai Institute of Technical Physics, CAS (China)
Xingchao Lin, Shanghai Institute of Technical Physics, CAS (China)
Yan Zhang, Shanghai Institute of Technical Physics, CAS (China)
Jiaxiong Fang, Shanghai Institute of Technical Physics, CAS (China)


Published in SPIE Proceedings Vol. 5964:
Detectors and Associated Signal Processing II
Jean-Pierre Chatard; Peter N. J. Dennis, Editor(s)

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