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Production Engineering Measures for Filter, Infrared Interference-Absorption Type.
Quarterly rept. no. 1, 1 Jun-31 Aug 74,
METAVAC INC FLUSHING N Y
Pagination or Media Count:
The purpose of the work is to develop technical and production engineering measures and methods for the rapid manufacture of a Near Infrared Transmitting, Visible Light Absorbing Filter for the Infrared Searchlight ANVSS-3A, the 1 kilowatt type. The filter assembly to be manufactured consists of two glass cylinders, one or both tinted chemically, and each coated with a multilayer interference coating so that the transmission of visible radiation is minimized, while the near infrared transmission is maximized.
APPROVED FOR PUBLIC RELEASE