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Opt Lett. 1981 Sep 1;6(9):411-3.

Laser-induced diffraction rings from a nematic-liquid-crystal film.

Abstract

Multiple diffraction rings appear as a cw laser beam passes through a homeotropic nematic film. The phenomenon is shown to be the result of spatial self-phase modulation that is due to the laser-induced Freedericksz transition.

PMID:
19710720
[PubMed]
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