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Specific features of the circular dichroism of a chiral photonic crystal with a defect layer inside in the presence of a gain

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Abstract

The specific features of the circular dichroism (CD) spectra of a cholesteric liquid crystal (CLC) layer with a defect layer inside in the presence of gain have been investigated. The features of the dependence of CD on the parameter characterizing the gain on the defect mode are analyzed for two cases: (i) gain is present in the defect layer and is absent in the CLC sublayers and (ii) gain is absent in the defect layer but is present in the CLC sublayers. It is shown that these dependences significantly differ in the two aforementioned cases. The dependences of the reflection, transmission, and absorption on the defect mode on the gain parameter have been investigated for incident light with both circular polarizations.

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Authors and Affiliations

  1. Far Eastern Federal University, Russky Island, Vladivostok, 690950, Russia

    A. H. Gevorgyan

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  1. A. H. Gevorgyan
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Correspondence to A. H. Gevorgyan.

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Original Russian Text © A.H. Gevorgyan, 2017, published in Optika i Spektroskopiya, 2017, Vol. 122, No. 1, pp. 161–168.

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Gevorgyan, A.H. Specific features of the circular dichroism of a chiral photonic crystal with a defect layer inside in the presence of a gain. Opt. Spectrosc. 122, 147–154 (2017). https://doi.org/10.1134/S0030400X17010088

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