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


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. 



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@article{Durbin1981LaserinducedDR, title={Laser-induced diffraction rings from a nematic-liquid-crystal film.}, author={Stephen D. Durbin and S. M. Arakelian and Y. R. Shen}, journal={Optics letters}, year={1981}, volume={6 9}, pages={411-3} }