A Simple Antireflection Overcoat For Opaque Coatings In The Submillimeter Region

Sheldon M Smith

doi:10.1117/12.939482

3 June 1987 A Simple Antireflection Overcoat For Opaque Coatings In The Submillimeter Region

Sheldon M Smith

Proceedings Volume 0675, Stray Radiation V; (1987) https://doi.org/10.1117/12.939482
Event: 30th Annual Technical Symposium, 1986, San Diego, United States

Abstract

An antireflection overcoat for opaque baffle coatings in the FIR/submillimeter region has been made from a simple Teflon spray-on lubricant. The Teflon overcoat reduced the specular reflectance of four different opaque coatings by nearly a factor of two. Analysis, based on the interference term of a reflecting-layer model, indicates that in the submillimeter region the reduced reflectance depends primarily on the refractive index of the overcoat and very little on its thickness.

Citation Download Citation

Sheldon M Smith "A Simple Antireflection Overcoat For Opaque Coatings In The Submillimeter Region", Proc. SPIE 0675, Stray Radiation V, (3 June 1987); https://doi.org/10.1117/12.939482

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