Self-focusing of laser light in the isotropic phase of a nematic liquid crystal
- 15 November 1973
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 23 (10), 539-540
- https://doi.org/10.1063/1.1654740
Abstract
Self‐focusing of ruby laser light is studied as a function of sample length and temperature in the isotropic phase of nematic liquid‐crystal MBBA. The critical power for self‐focusing, 0.36 kW, observed near the phase transition temperature is a factor of 20 times less than that for CS2. The corresponding nonlinear index 4.4 × 10−10 esu is the largest value known so far for any material.Keywords
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