Infrared filters for cryogenic radiometers

James B. Heaney; Rene A. Boucarut; Kenneth P. Stewart

doi:10.1117/12.140879

21 January 1993 Infrared filters for cryogenic radiometers

James B. Heaney, Rene A. Boucarut, Kenneth P. Stewart

Proceedings Volume 1765, Cryogenic Optical Systems and Instruments V; (1993) https://doi.org/10.1117/12.140879
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

This paper will present transmittance data, in the 1- to 1000-micron wavelength region, at temperatures from 300K down to near 4K, for a selection of filters composed of multilayer thin films on transmitting substrates, reststrahlen crystals, mesh-grid elements, and hybrids of these types. Polyethylene laminates and vapor deposited parylene will be compared as antireflection layers for high refractive index infrared crystals at long wavelengths.

Citation Download Citation

James B. Heaney, Rene A. Boucarut, and Kenneth P. Stewart "Infrared filters for cryogenic radiometers", Proc. SPIE 1765, Cryogenic Optical Systems and Instruments V, (21 January 1993); https://doi.org/10.1117/12.140879

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