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Proceedings Paper

Infrared filters for cryogenic radiometers
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Paper 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.

Paper Details

Date Published: 21 January 1993
PDF: 13 pages
Proc. SPIE 1765, Cryogenic Optical Systems and Instruments V, (21 January 1993); doi: 10.1117/12.140879
Show Author Affiliations
James B. Heaney, NASA Goddard Space Flight Ctr. (United States)
Rene A. Boucarut, NASA Goddard Space Flight Ctr. (United States)
Kenneth P. Stewart, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 1765:
Cryogenic Optical Systems and Instruments V
Ramsey K. Melugin, Editor(s)

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