Multilayered optically activated devices based on organic third-order nonlinear optical materials

David A. Swanson; Joseph C. Altman; Brian J. Sullivan; Ronnie C. Spitzer; Glenn A. Hansen; Richard J. Stone

doi:10.1117/12.50739

1 December 1991 Multilayered optically activated devices based on organic third-order nonlinear optical materials

David A. Swanson, Joseph C. Altman, Brian J. Sullivan, Ronnie C. Spitzer, Glenn A. Hansen, Richard J. Stone

Proceedings Volume 1560, Nonlinear Optical Properties of Organic Materials IV; (1991) https://doi.org/10.1117/12.50739
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A novel passive optical device type is described yielding enhanced reflectance with increasing optical intensity at visible wavelengths. The device is a multilayered thin film Bragg structure, consisting of alternating layers of a transparent polymer and a transparent polymer doped with organic nonlinear optical (NLO) materials. The device operates through the intensity dependent charge of the optical index of refraction of the NLO material. Multilayer optical thin film computer codes were developed and used in the design, modeling, and fabrication of this device. The Bragg structure transmits under low intensity conditions and changes to a reflector with increasing intensity. Present devices were fabricated with poly- (methylmethacrylate) PMMA and PMMA doped with silicon naphthalocyanine (SiNc), an off- resonant electronic third-order organic NLO material. Intensity dependent increases in reflectivity were measured on picosecond time scales with fractional reflectance changes greater than 40% being observed. Along with the device performance results, characterization efforts on the NLO materials are discussed.

Citation Download Citation

David A. Swanson, Joseph C. Altman, Brian J. Sullivan, Ronnie C. Spitzer, Glenn A. Hansen, and Richard J. Stone "Multilayered optically activated devices based on organic third-order nonlinear optical materials", Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); https://doi.org/10.1117/12.50739

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