Optical photorefractive article

Details Optical photorefractive article Optical photorefractive article

1994-04-21

1997-03-04

Angebranndt, Martin J.

Radiation imagery chemistry: process, composition, or product th

Holographic process, composition, or product

430 2, 430290, 359 1, 359 3, 385 5, 385130, 385141, G03H 104

Patent

active

056077998

ABSTRACT:
The present invention relates to a three-component optical photorefractive article having improved diffraction efficiency. The article comprises (i) nonphotoconductive polymer, (ii) benzimidazoline, and (iii) a sensitizer.

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S. Silence, W. E. Moerner, C. P. Walsh, J. S. Campbell, T. J. Matray, R. J. Twieg, (IBM Almaden Res. Ctr., Nonlinear Optical Properties of Photorefractive Polymers, Presented at SPIE Conference Jan. 21, 1993.
L. Li et al., "Photoconductivity in a Photocrosslinkable Second-Order Nonlinear Optical Polymer", Applied Physics B, vol. 53, 1991, pp. 279-281.
M. J. Sansone et al., "Observation of the Photorefractive Effect in a Dialkylaminonitrostilbene Copolymer", Optics Letters, vol. 18, No. 17, Sep. 1, 1993, pp. 1400-1402.

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