Poled polymeric nonlinear optical materials

Details Poled polymeric nonlinear optical materials Poled polymeric nonlinear optical materials

1992-11-25

1994-12-06

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528128, 528170, 528171, 528172, 528173, 528220, 528228, 528321, 526262, C08G 7310

Patent

active

053711734

ABSTRACT:
The synthesis of a nonlinear chromophoric co-monomer 3,5-diamino-4'-nitrodiphenylamine and use as a reactive component in combination with a bismaleimide monomer in a NLO-active polyimide matrix is disclosed. After concurrent corona or contact poling and thermal polymerization, thin films of these chromophoric polyimides exhibit high second harmonic generation efficiencies and high DSC-determined glass transition temperatures. These poled polyimides also exhibit excellent SHG temporal stability, retaining 85-90% of the initial second harmonic efficiency after more than one month in air at 85.degree. C.

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"Highly Thermally Stable Electro-Optic Response In Poled Guest-Host Polyimide Systems Cured at 360.degree. C." by Wu, et al., J. Appl. Phys., vol. 69, No. 10, May 15, 1991.
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"Thermoplasticity and Parallel-Plate Poling of Electro-Optic Polylmide Host Thin Films;" by Valley, et al., Appl. Phys. Lett., vol. 60, No. 2, Jan. 13, 1992.

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