Amplification of the Fluorescence Propagating in the Waveguide Regime in a Planar Layer of NLC

N. M. Shtykov; S. P. Palto; B. A. Umanskii; D. O. Rybakov; I. V. Simdyankin

doi:10.1134/S1063774519020275

Amplification of the Fluorescence Propagating in the Waveguide Regime in a Planar Layer of NLC

Authors: Shtykov N.M.¹, Palto S.P.¹, Umanskii B.A.¹, Rybakov D.O.¹, Simdyankin I.V.¹
Affiliations:
1. Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences
Issue: Vol 64, No 2 (2019)
Pages: 305-310
Section: Liquid Crystals
URL: https://journal-vniispk.ru/1063-7745/article/view/193849
DOI: https://doi.org/10.1134/S1063774519020275
ID: 193849

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Abstract

The amplification of spontaneous fluorescence in a planar layer of nematic liquid crystal doped with DCM dye in the mode of waveguide light propagation has been studied. The gain reaches the value α = 0.0014 μm^–1 at a pump radiation intensity of 1.38 MW/cm². Numerical simulation of the structure imitating the experimental cell showed qualitative agreement of the calculation results with the experimental data.