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

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

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3553...77t&link_type=abstract

Proc. SPIE Vol. 3553, p. 77-81, Detectors, Focal Plane Arrays, and Imaging Devices II, Pingzhi Liang; Marc Wigdor; William G. Fr

Computer Science

Performance

Scientific paper

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.

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