Photorefractive materials

Details Photorefractive materials Photorefractive materials

1990-10-26

1991-11-12

Lee, John D.

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

430 59, 430125, 385141, 359 4, G02B 104

Patent

active

050642642

ABSTRACT:
The present invention relates to polymeric materials that exhibit an erasable photorefractive effect which can be fabricated into optical devices such as optical wave guides.

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Addulaev et al., "Photorefractive Sensitivity of Polymer FIlms Containing Bacteriorhodapsin" Sov. Phys. Tech. Phys. (U.S.A.) vol. 58, No. 4 vol. 33, No. 4 508-10 Apr. 1988, P833-6 abstract only.
Kawatsuki et al., "Optical Phase Grating Made from Photorefractive Polymers", Appl. Opt. vol. 29, 210 01/90 abstract only.
Sugihara et al., "Noncollinear Second Harmonic Generation and Light Beam Diffraction by Transient Gratings in 2-methyl-4-nitroaniline (MNA) Crystals", SPIE vol. 1147, Nonlinear Optical Properties of Organic Materials II 1989.
Eiduss et al., "Photorefringence in Polar Crystals", Materials Science vol. XIV, No. 1, 1988.

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