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DOI: 10.17586/1023-5086-2021-88-08-75-80
УДК: 532.783, 53.04, 535.016
Effect of WS2 nanoparticles on the refractive properties of liquid crystal compositions
Full text «Opticheskii Zhurnal»
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Publication in Journal of Optical Technology
Тойкка А.С., Ломова Л.С., Каманина Н.В. Влияние наночастиц WS2 на рефрактивные свойства жидкокристаллических композиций // Оптический журнал. 2021. Т. 88. № 8. С. 75–80. http://doi.org/10.17586/1023-5086-2021-88-08-75-80
Toikka A.S., Lomova L.S., Kamanina N.V. Effect of WS2 nanoparticles on the refractive properties of liquid crystal compositions [in Russian] // Opticheskii Zhurnal. 2021. V. 88. № 8. P. 75–80. http://doi.org/10.17586/1023-5086-2021-88-08-75-80
A. S. Toikka, L. S. Lomova, and N. V. Kamanina, "Effect of WS2 nanoparticles on the refractive properties of liquid crystal compositions," Journal of Optical Technology. 88(8), 460-463 (2021). https://doi.org/10.1364/JOT.88.000460
The spectral dependences of the refractive index of liquid crystal compositions sensitized with different concentrations of tungsten disulfide (WS2) nanotubes are considered in the present study in the visible spectral range. A correlation between the refractive index and the dynamic properties of liquid crystal cells is established. The characteristics of laser-induced breakdown under the influence of a pulsed laser with a wavelength of 1.54 µm are also considered. The concentration of the WS2 nanoparticles doping the liquid crystal mesophase, at which the phase transition to a quasi-smectic state occurs, was determined. This finding significantly enhances the application range of liquid crystal cells in optoelectronic systems.
liquid crystals, liquid crystal ellipsometry, nanostructuring, WS2 nanotubes, quasi-smectics, birefringency
Acknowledgements:The authors are grateful to A. V. Kandakov (engineer at IMP RAS, St. Petersburg, Russia), Professor R. Tenne (Weizmann Institute of Science, Rehovot, Israel), and their colleagues at the Laboratory for Photophysics of Media with Nano-Objects at the Vavilov State Optical Institute for productive applied science seminars and support at each stage of research. The results were partially discussed at scientific-technical seminars at the Petersburg Nuclear Physics Institute of the National Research Center “Kurchatov Institute” (Gatchina, Russia) in 2019 and 2020.
OCIS codes: 160.3710, 230.3720, 190.0190
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