Improvement and measurement of nonuniformity of spectral response of multielement used for space application

Kaifang Cheng; Xiongchao Yang

doi:10.1117/12.317835

18 August 1998 Improvement and measurement of nonuniformity of spectral response of multielement used for space application

Kaifang Cheng, Xiongchao Yang

Author Affiliations +

Proceedings Volume 3505, Imaging System Technology for Remote Sensing; (1998) https://doi.org/10.1117/12.317835
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China

Abstract

In order to fulfill the special requirements of space application on the spectral response properties and curve uniformity of multielement PC HgCdTe device, many measures have taken to improve the uniformity of multielement spectral response curve. We have deposited anti-reflecting coating on the surface of multielement HgCdTe detector chip, and the problem of deposition has been solved, better anti- reflecting coating has been prepared. The spectral response measurement results confirm that the spectral properties and the curve uniformity of multielement PC HgCdTe detector are improved obviously after depositing anti-reflecting coating, and fulfill the special requirements of multispectral scanner used for space application.

Citation Download Citation

Kaifang Cheng and Xiongchao Yang "Improvement and measurement of nonuniformity of spectral response of multielement used for space application", Proc. SPIE 3505, Imaging System Technology for Remote Sensing, (18 August 1998); https://doi.org/10.1117/12.317835

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