Method of testing alkali halide crystals with anisotropic center

Details Method of testing alkali halide crystals with anisotropic center Method of testing alkali halide crystals with anisotropic center

1975-02-25

1976-03-02

Corbin, John K.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

350160R, 356 30, G01J 400

Patent

active

039414825

ABSTRACT:
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 through utilization of an ellipsometric technique wherein light passes successively through a polarizer, test crystal, analyzer, and detector.

REFERENCES:
patent: 3466616 (1969-09-01), Bron et al.
patent: 3720926 (1973-03-01), Schneider
Compton & Rabin:, "F. Aggregate Centers in Alkali Halide Crystals," Solid ate Physics, Vol. 16, Seitz & Turnbull Eds., Academic Press, N.Y., 1964.

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