Accession Number : ADD011791

Title :   Acoustically Tuned Optical Filter System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Azgapetian,V ; Azgapetian,A M

Report Date : 30 Apr 1985

Pagination or Media Count : 4

Abstract : Two crystal, made of acousto-optical material and having their respective extraordinary axes at a predetermined angle to each other, are acoustically excited; and, in combination with a polarizer and an analyzer, the acoustically excited crystals permit the complete transmission or rejection of a preselected narrow band of polarized light in the visible/infrared wavelength the region. (Author)

Descriptors :   *PATENTS, *OPTICAL FILTERS, *TUNED CIRCUITS, *ACOUSTOOPTICS, POLARIZATION, CRYSTALS, TUNING, VISIBLE SPECTRA, INFRARED SPECTRA

Subject Categories : Acoustooptic and Optoacoustic Devices
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE