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Phys Rev Lett. 2004 Sep 10;93(11):113901. Epub 2004 Sep 9.

Nonlinear refraction in photoinduced isotropic state of liquid crystalline azobenzenes.

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  • 1Beam Engineering for Advanced Measurements Company, 686 Formosa Avenue, Winter Park, Florida 32789, USA.


The photoinduced isotropic state of liquid crystalline azobenzenes exhibits one of the strongest nonlinear optical refraction known for isotropic materials. The optical nonlinearity of these materials is large in a wide band of the visible spectrum and is accompanied with high, over 90%, transmission for red wavelengths.

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