Optical diagnostics of structural ordering in cholesteric liquid crystal using the DF-laser based on it

Alexander Yu. Vakhnin; Igor P. Il'chishin

doi:10.1117/12.239771

10 May 1996 Optical diagnostics of structural ordering in cholesteric liquid crystal using the DF-laser based on it

Alexander Yu. Vakhnin, Igor P. Il'chishin

Proceedings Volume 2797, Nonlinear Spectroscopy and Ultrafast Phenomena; (1996) https://doi.org/10.1117/12.239771
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation

Abstract

Threshold and polarization characteristics as well as temperature dependence of a two-band generation of laser with distributed feedback based on induced cholesterical liquid crystals (CLC) were studied. Difference between threshold excitation intensities of these bands of generation points at the existence of two phase gratings in the helical structure of CLC. It is verified by the difference in the temperature behavior of the wavelengths of the central lines of the bands.

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Alexander Yu. Vakhnin and Igor P. Il'chishin "Optical diagnostics of structural ordering in cholesteric liquid crystal using the DF-laser based on it", Proc. SPIE 2797, Nonlinear Spectroscopy and Ultrafast Phenomena, (10 May 1996); https://doi.org/10.1117/12.239771

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