Abstract

The transmittance of polymer-dispersed liquid crystals (PDLC’s) can be easily controlled by a low-frequency electric field. However, unlike glass, even in its transparent state a PDLC is an anisotropic material, so its transmittance has a characteristic angular dependence. We introduce a mathematical model to describe the angular dependence of the light transmittance through a PDLC sample above threshold. The accuracy of the model is tested and predictions compared with experimental measurements.

© 1996 Optical Society of America

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