Unsymmetrical squaraines for nonlinear optical materials

Details Unsymmetrical squaraines for nonlinear optical materials Unsymmetrical squaraines for nonlinear optical materials

1994-04-11

1996-03-19

Wu, Shean C.

Compositions

Light transmission modifying compositions

2522991, 359328, 568326, 568327, 568379, 568381, F21V 900, C09K 1900, H03F 700, C07C 49293

Patent

active

055001564

ABSTRACT:
Compositions for use in non-linear optical devices. The compositions have first molecular electronic hyperpolarizability (.beta.) either positive or negative in sign and therefore display second order non-linear optical properties when incorporated into non-linear optical devices.

REFERENCES:
patent: 4886722 (1989-12-01), Law et al.
patent: 5086239 (1992-02-01), Wang
patent: 5106713 (1992-04-01), Law
112: 188649B Cyclobutenedione Derivative Nonlinear Optical Materials. Ueishi Kentaro; Fu, Ryujun (Fuji Xerox Co., Ltd.) Jpn. Kokai Tokkyo Koho JP 01,204,031 [89,204,031], 16 Aug. 1989, Appl. 88/27,435, 10 Feb. 1988; 6 pp.
112: 181397j Unsymmetrical Squaraine Dyes. Law, Kock Yee; Bailey, F. Court (Xerox Corp.) Brit. UK Pat. Appl. GB 2,217,724 , 01 Nov. 1989, US Appl. 187,777, 29 Apr. 1988; 25 pp.
Lee, Kock-Yee and Bailey, F. Court, Squaraine Chemistry. Synthesis, Characterization, and Optical Properties of a Class of Novel Unsymmetrical Squaraines: [4-(Dimethylamino)Phenyl](4'-Methoxyphenyl)Squaraine and Its Derivatives, J. Org. Chem. 1992, 57, 3278-3286.

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