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Linear optical properties of LiIn(S1– xSex)2crystals and tuning of phase matching conditions

Authors
Journal
Solid State Sciences
1293-2558
Publisher
Elsevier
Publication Date
Volume
7
Issue
10
Identifiers
DOI: 10.1016/j.solidstatesciences.2005.05.005
Keywords
  • Refractive Index
  • Sulfide
  • Selenide
  • Nonlinear Optics

Abstract

Abstract LiInSe 2 and mixed LiIn(S 0.5Se 0.5) 2 crystals have been grown by vertical Bridgman–Stockbarger method. Optical properties of deep red LiInSe 2 and orange LiIn(S 0.5Se 0.5) 2 crystals have been evaluated. The dispersion of refractive indices has been measured and the Sellmeier coefficients have been calculated for LiInSe 2 and LiIn(S 0.5Se 0.5) 2 crystals. Linear dependence of the refractive indices on Se/(S + Se) ratio has been found in LiIn(S 1– x Se x ) 2 compounds. The ranges of phase matching possible in LiIn(S 1– x Se x ) 2 solid solutions for main crystal planes have been calculated with using Sellmeier equations specified for the compounds.

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