Crosslinked polyimide electro-optic materials
- Case Western Reserve University, Department of Physics, Cleveland, Ohio 44106-7079 (United States)
- Amoco Research Center, Amoco Chemical Co., Naperville, Illinois 60566 (United States)
- Sandia National Laboratories, Division 1811, Albuquerque, New Mexico 87185-1407 (United States)
- Lockheed Research and Development Division, Palo Alto, California 94304 (United States)
We report studies of the optical and electro-optic properties of guest--host polymeric nonlinear optical materials based on aromatic, fluorinated, fully imidized, organic soluble, thermally, and photochemically crosslinkable, guest--host polyimides. We have introduced temperature stable nonlinear optical chromophores into these polyimides and studied optical losses, electric field poling, electro-optic properties, and orientational stability. We measured electro-optic coefficients of 5.5 and 12.0 pm/V for ((2,6-Bis(2-(3-(9-(ethyl)carbazolyl))ethenyl)4H-pyran-4-ylidene)propanedinitrile) (4-(Dicyanomethylene)-2-methyl-6-(p -dimethylaminostyryl)-4H-pyran) DCM-doped guest--host systems at 800 nm using a poling field of 1.3 MV/cm. Poling induced nonlinearities in single-layer films were in agreement with the oriented gas model, but were lower in three-layer films due to voltage division across the layers. {copyright} {ital 1995} {ital American} {ital Institute} {ital of} {ital Physics}.
- Research Organization:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 124241
- Journal Information:
- Journal of Applied Physics, Vol. 78, Issue 10; Other Information: PBD: 15 Nov 1995
- Country of Publication:
- United States
- Language:
- English
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