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Proceedings Paper

Comparison of three temperature control systems applications for a special homemade shortwave infrared spatial remote sensor
Author(s): Zhipeng Xu; Jun Wei; Jianwei Li; Qianting Zhou
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Paper Abstract

An image spectrometer of a spatial remote sensing satellite requires shortwave band ranging from 2.1μm to 3μm which is one of the most important bands in remote sensing. We designed an infrared sub-system of the image spectrometer using a homemade 640x1 InGaAs shortwave infrared sensor working on FPA system which requires high uniformity and low level of dark current. The working temperature should be -15±0.2 Degree Celsius. This paper compares three different kinds of methods to control temperature of the sensor. First design uses a temperature control chip Max1978 from Maxim Company. Second design uses ADN8830 from ANALOG Company. Third design is based on FPGA device APA300. Experiment shows that MAX1978 has driving mosfet inside its chip which makes the stability is not appropriate for this homemade shortwave sensor. While the ADN8830 the supply power is limited to 5V, which also limits the driving power of the chip, experiments show that ADN8830 works very well when the voltage is below 5V, but the result is not acceptable when sensor demand more driving current. The FPGA design covers all the disadvantages above, but it introduced a new problem, the electrical circuit takes much more board resources than MAX1978 and ADN8830.

Paper Details

Date Published: 9 November 2010
PDF: 7 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 785317 (9 November 2010); doi: 10.1117/12.868946
Show Author Affiliations
Zhipeng Xu, Shanghai Institute of Technical Physics (China)
Jun Wei, Shanghai Institute of Technical Physics (China)
Jianwei Li, Shanghai Institute of Technical Physics (China)
Qianting Zhou, Shanghai Institute of Technical Physics (China)

Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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