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Optical susceptibilities of Na3La9O3(BO3)8, ternary oxyborate nonlinear single crystal: theory and experiment

Reshak, Ali Hussain ; Auluck, S ; Kityk, I V

Journal of physics. Condensed matter, 2008-04, Vol.20 (14), p.145209-145209 (7) [Periódico revisado por pares]

IOP Publishing

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  • Título:
    Optical susceptibilities of Na3La9O3(BO3)8, ternary oxyborate nonlinear single crystal: theory and experiment
  • Autor: Reshak, Ali Hussain ; Auluck, S ; Kityk, I V
  • É parte de: Journal of physics. Condensed matter, 2008-04, Vol.20 (14), p.145209-145209 (7)
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
  • Descrição: Experimental and theoretical simulations of linear and nonlinear optical susceptibilities of the novel Na3La9O3(BO3)8, a ternary oxyborate nonlinear single crystal, are reported here. The calculations were based on one of the most accurate methods for the computation of the linear and nonlinear optical susceptibilities of solids within density functional theory. Our calculations show that the edges of optical absorption for and are located at 5.2 eV, in good agreement with our measurements. The anisotropy is in good agreement with the theoretical data. The same is true for the birefringence. We found that our calculated and measured refractive indices are in good agreement with those obtained by previous measurements. The imaginary and real parts of the second order second harmonic generation (SHG) susceptibility chi222(2)(omega) and chi112(2)(omega) were evaluated. Our calculation shows that chi112(2)(omega) is the dominant component, which shows the largest total Rechiijk(2)(0) value (2.3 pm V-1) compared to chi222(2)(omega). This value shows very good agreement with experimental data (2.0 pm V-1) obtained by previous measurements and our measurements. One specific feature of the investigated crystals consists in substantial anisotropy of their properties, which plays a crucial role in the observed experimental dependences.
  • Editor: IOP Publishing
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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