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IR Optical Properties of a Pyrotechnic Screening Smoke

✍ Scribed by W. Scheunemann

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
212 KB
Volume
4
Category
Article
ISSN
0721-3115

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✦ Synopsis

Abstract

Optical properties of small droplets of aqueous solutions of zinc chloride were studied in the 3 ΞΌm to 12 ΞΌm spectral range. The droplets are generated by combustion of a pyrotechnic screening smoke composition containing hexachloroethane and zinc. Mass extinction coefficients were determined and interpreted by the theory of Mie.

The optical constants of aqueous solutions of zinc chloride are markedly different from those expected for a screening smoke of low IR transparency.

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## Abstract This paper describes the experimental setup for evaluation of pyrotechnic smoke compositions for anti‐laser and anti‐infrared roles using the continuous wave 10.6 ΞΌm CO~2~ laser (4 watt) and presents the results for a few pyrotechnic smoke compositions. The particle sizes of the aerosol