Abstract

Polymer films doped with 2-(5,5-dimethyl-3-styryl-cyclohex-2-enylidene)-malononitrile chromophore and various sensitizers have been prepared and characterized. The material exhibits high sensitivity in the red region (S=0.26 cm2/J at λ=633 nm), a large dynamic range Δn=-0.05, and large transient two-beam coupling gain G=110 cm-1. Self-diffraction effects, such as energy and phase coupling, and photoinduced scattering are studied.

© 1997 Optical Society of America

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