Accession Number : ADD002683

Title :   Method of Testing Alkali Halide Crystals with Anisotropic Centers.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Schneider,Irwin

Report Date : 02 Mar 1976

Pagination or Media Count : 7

Abstract : The patent discloses a method for determining the capability and optimum operating parameters of alkali halide crystals with anisotropic centers as holographic recording media by assessing the dispersion and absorption of polarized light by the anisotropic centers through a measurement of the difference in refractive index and absorption for light of different polarizations. The former is through use of an ellipsometric technique wherein light passes successively through a polarizer, test crystal, analyzer, and detector.

Descriptors :   *Color centers, *Test equipment, Halides, Alkali metal compounds, Polarimetry, Crystals, Measurement, Optical instruments, Absorption(Physical), Refractive index, Holography, Anisotropy, Memory devices, Data storage systems

Subject Categories : Computer Hardware
      Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE