Research/Patents/US 5793505
US 5793505Tier 3 — General Defense

FABRY-PEROT MULTIWAVELENGTH INFRARED FILTER WITH ARTIFICIAL DIELECTRIC

Assignee

US Government

Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE ARMY

Filed

Mar 11, 1986

Granted

Aug 11, 1998

Location

OAKTON VA US

Abstract

A filter is constructed consisting of an optical cavity having at least one element which is a square mesh of highly-conductive metal on a transparent substrate. The mesh openings are defined by relatively narrow conductors of the metal. The mesh feature size, as determined by the sum of the conductor width and square size length, is below the diffraction limit for incoming radiation of interest.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Oct 7, 1987

Rescinded

Feb 12, 1998

Duration

10 years, 4 months

Inventor

  • 1RICHARD R. SHURTZ

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records