Comparison of three temperature control systems applications for a special homemade shortwave infrared spatial remote sensor

Zhipeng Xu; Jun Wei; Jianwei Li; Qianting Zhou

doi:10.1117/12.868946

9 November 2010 Comparison of three temperature control systems applications for a special homemade shortwave infrared spatial remote sensor

Zhipeng Xu, Jun Wei, Jianwei Li, Qianting Zhou

Author Affiliations +

Proceedings Volume 7853, Advanced Sensor Systems and Applications IV; 785317 (2010) https://doi.org/10.1117/12.868946
Event: Photonics Asia 2010, 2010, Beijing, China

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.

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Zhipeng Xu, Jun Wei, Jianwei Li, and Qianting Zhou "Comparison of three temperature control systems applications for a special homemade shortwave infrared spatial remote sensor", Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 785317 (9 November 2010); https://doi.org/10.1117/12.868946

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KEYWORDS

Field programmable gate arrays

Sensors

Control systems

Control systems design

Infrared sensors

Field effect transistors

Shortwaves

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