Compositions – Light transmission modifying compositions
Patent
1999-03-09
2000-10-03
Tucker, Philip
Compositions
Light transmission modifying compositions
5253267, 5253333, 525342, 528392, 528396, 359328, F21V 900, G02F 135, C08F 2606
Patent
active
061268674
ABSTRACT:
The invention relates to nonlinear-optically active copolymers, to crosslinked NLO polymer materials produced from them and having high orientation stability, and to electrooptical and photonic components comprising these polymer materials. The copolymers of the invention are of the general formula 1 ##STR1## in which W is preferably a chromophoric group of the general formula 2: ##STR2## The chromophores employed in accordance with the invention exhibit high thermal stability and so can be processed at elevated temperatures while retaining the optical activity.
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Tobin J. Marks: "Entwurf, Synthese und Eigenschaften von Molekulaggregaten mit ausgepragten nichtlinearen optischen Eigenschaften zweiter Ordnung", Ange. Chem., 1995 pp. 167-187, draft, synthesis and properties of molecular aggregates having distinctive nonlinear optical characteristics of the second order.
J. D. Swalen et al.: "Poled Epoxy Polymers For Optoelectronics" in J. Messier et al. (ed.): "Organic Molecules for Nonlinear Optics and Photonics", Kluwer Academic Publishers, Dordrecht, 1991, pp. 433-445.
K. D. Singer et al: "Orientally Ordered Electro-Optic Materials", in Paras N. Prasad et al.: "Nonlinear Optical and Electroactive Polymers", Plenum Press, New York, 1988, pp. 189-204.
Fricke Christian
Kanitz Andreas
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Stemer Werner H.
Tucker Philip
LandOfFree
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