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Performance model for cooled IR filters

Seeley, J.S., Hawkins, G. J. and Hunneman, R. (1988) Performance model for cooled IR filters. Journal of Physics D: Applied Physics, 21 (10S). S71-S74.

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To link to this article DOI: 10.1088/0022-3727/21/10S/020

Abstract/Summary

A low-temperature model is described for infrared multilayer filters containing PbTe (or other semiconductor) and ZnSe (or other II/VI). The model is based on dielectric dispersion with semiconductor carrier dispersion added. It predicts an improved performance on cooling such as would be useful to avoid erroneous signals from optics in spaceflight radiometers. Agreement with measurement is obtained over the initial temperature range 70-400K and wavelength range 2.5-20µm.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Systems Engineering
ID Code:17893
Publisher:IOP Science

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