Performance comparison between MCT long-wave 288 X 4 TDI IRFPA and 8 X 4 SPRITE

Zhongyun Tian; Ruoxi Ji; Ying Tian

doi:10.1117/12.318105

11 August 1998 Performance comparison between MCT long-wave 288 X 4 TDI IRFPA and 8 X 4 SPRITE

Zhongyun Tian, Ruoxi Ji, Ying Tian

Proceedings Volume 3553, Detectors, Focal Plane Arrays, and Imaging Devices II; (1998) https://doi.org/10.1117/12.318105
Event: Photonics China '98, 1998, Beijing, China

Abstract

HgCdTe (MCT) 256 X 4 TDI long wave IRFPA and SPRITE are both preferable devices of high performance IR imaging systems. As we know, IRFPA is better than 60, 120-element long wave photoconductive detectors. But the comparison between 256 X 4 TDI IRFPA and 8 X 4 sprite has never been discussed. This paper is focused on the comparison between the output SNR of the two detectors because they have different spectrum response. Generally speaking, a 8 X 1 sprite is only equal to 100-element photoconductive detector. But the results of our research show that 8 X 4 sprite detector can function similarly to 256 X 4 TDI IRFPA when applied in IR imaging systems whose object is in ambient temperature.

Citation Download Citation

Zhongyun Tian, Ruoxi Ji, and Ying Tian "Performance comparison between MCT long-wave 288 X 4 TDI IRFPA and 8 X 4 SPRITE", Proc. SPIE 3553, Detectors, Focal Plane Arrays, and Imaging Devices II, (11 August 1998); https://doi.org/10.1117/12.318105

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