کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11015901 | 1781698 | 2018 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
ResonanÑe nonlinear optical properties of dye-doped liquid crystals under pulse excitation: Insight into early experiments
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: ResonanÑe nonlinear optical properties of dye-doped liquid crystals under pulse excitation: Insight into early experiments ResonanÑe nonlinear optical properties of dye-doped liquid crystals under pulse excitation: Insight into early experiments](/preview/png/11015901.png)
چکیده انگلیسی
The results of studies of the nonlinear optical properties of dye-doped nematic (NLCs) and cholesteric liquid crystals (CLCs) under powerful laser excitation are presented. The invariability of the structure of a planar-oriented NLC as a result of the conservation of the absorption dichroism of an impurity dye under the control over the lasing threshold is shown. A method to reduce the threshold for the stimulated Raman scattering (SRS) in the isotropic phase of NLC at frequencies that overlap with the amplification band of a dissolved dye is proposed. The peculiarities of the energy characteristics of CLC lasers are studied in detail. A variation of the lasing efficiency and the nonlinear dependence of the lasing energy on the pumping are explained within a model of lasing systems with distributed feedback. The dynamics of the optical destruction of a planar texture of a dye-doped CLC at critically high levels of laser irradiation is studied.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Liquids - Volume 267, 1 October 2018, Pages 73-80
Journal: Journal of Molecular Liquids - Volume 267, 1 October 2018, Pages 73-80
نویسندگان
Eugene A. Tikhonov, Igor P. Ilchishin,