Accession Number : ADD013997

Title :   Metal Film Light Modulator.

Descriptive Note : Patent, Filed 14 Jul 86, patented 7 Jun 88,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Langer, Dietrich W ; Nam, Sang B

Report Date : 07 Jun 1988

Pagination or Media Count : 4

Abstract : An improved device for modulating the intensity of a light beam is described which comprises a first isoceles optical prism; a first dielectric layer, a thin metallic layer, and a second dielectric layer substantially identical in composition and thickness to the first dielectric layer deposited successively on the base of the first prism; a second isoceles optical prism disposed with the base thereof contacting the last deposited layer; and a controllable source of electrical current connected to the metallic layer for establishing and modulating an electro-magnetic field at the respective surfaces of the metallic layer. Patents. (rh)

Descriptors :   *OPTICAL PROPERTIES, DEPOSITION, DIELECTRICS, ELECTRIC CURRENT, ELECTROMAGNETIC RADIATION, LAYERS, LIGHT, LIGHT MODULATORS, METAL FILMS, METALS, PATENTS, PRISMS(OPTICS), THICKNESS, THINNESS

Subject Categories : Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE