Amorphous copolymers for photorefractive compounds used in optic

Details Amorphous copolymers for photorefractive compounds used in optic Amorphous copolymers for photorefractive compounds used in optic

1992-10-06

1994-05-24

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524548, 524544, 524547, 252582, C08L 3904

Patent

active

053149394

ABSTRACT:
The invention is a series of amorphous copolymers which, used in association with a small molecule, provide photorefractive materials that can be used in optical signal processing. These copolymers contain an active non-linear optical group and a group which contributes to their photoconductivity. ##STR1## where: X is H, CH.sub.3, Cl or F

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Williams, D. J. (1984) Angew. Chem. Int. Ed. Engl. 23, 690-703, "Organic Polymeric and Non-Polymeric Materials with large Optical Nonlinearities".
S. Ducharme et al., (1991) Phys. Rev. Lett. 66 (14), 1846-1849 (Apr. 8, 1991) "Observation of the Photo refractive Effect in a Polymer".
D. DC. Bradley et al., (1991) Phys. Rev. Lett. 67 (18), 2589 (Oct. 28 1991) "Comment on observation . . .".
S. Ducharme et al. (1991) Phys. Rev. Lett. 67 (18) 2590 (Oct. 28, 1991)"Reply to Comment".
R. P. Feynman et al., Feynman Lectures on Physics, vol. 1 33-3-33-6 Addison-Wesley, Reading MA, 1963.

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