External field enhanced optical bistability in nematic liquid crystals
- 1 May 1985
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 46 (9) , 822-824
- https://doi.org/10.1063/1.95896
Abstract
The exact solution is obtained for describing the external field effects in the optically induced molecular reorientation and bistability in a homeotropic nematic liquid crystal. With a low external field applied transverse or parallel to the laser propagation direction, optical bistability can always be suppressed or enhanced and hence can be seen in all existing nematics at a low laser power (typically < 1 kW/cm2). The fields corresponding to the tricritical point are obtained.Keywords
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