Problems In Using Cold Spectral Filters With Lwir Detectors

D. L. Stierwalt; W. L. Eisenman

doi:10.1117/12.956066

6 June 1978 Problems In Using Cold Spectral Filters With Lwir Detectors

D. L. Stierwalt, W. L. Eisenman

Author Affiliations +

Proceedings Volume 0132, Utilization of Infrared Detectors; (1978) https://doi.org/10.1117/12.956066
Event: 1978 Los Angeles Technical Symposium, 1978, Los Angeles, United States

Abstract

The optical properties of materials used in LWIR spectral filters are strongly temperature dependent. Spectral transmittance curves are presented for several interference filters and filter substrates at room temperature and at cryogenic temperatures. The dependence of out-of-band rejection upon optical geometry is also discussed.

Citation Download Citation

D. L. Stierwalt and W. L. Eisenman "Problems In Using Cold Spectral Filters With Lwir Detectors", Proc. SPIE 0132, Utilization of Infrared Detectors, (6 June 1978); https://doi.org/10.1117/12.956066

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