New nonlinear Gd1-xRxCa4O(BO3)3 (R = Lu, Sc) crystals for 400-nm blue-violet light generation by type-I noncritical phase-matching frequency doubling processes

Lucian Gheorghe; Alexandru Achim; Pascal Loiseau; Gerard Aka

doi:10.1117/12.859049

17 May 2010 New nonlinear Gd_1-xR_xCa₄O(BO₃)₃ (R = Lu, Sc) crystals for 400-nm blue-violet light generation by type-I noncritical phase-matching frequency doubling processes

Lucian Gheorghe, Alexandru Achim, Pascal Loiseau, Gerard Aka

Author Affiliations +

Proceedings Volume 7469, ROMOPTO 2009: Ninth Conference on Optics: Micro- to Nanophotonics II; 746904 (2010) https://doi.org/10.1117/12.859049
Event: ROMOPTO 2009, 2009, Sibiu, Romania

Abstract

Single crystals of Gd_1-xR_xCa₄O(BO₃)₃ (R³⁺ = Sc³⁺ or Lu³⁺) with large size and good quality have been grown by Czochralski method. The optical birefringence of Gd_1-xSc_xCa₄O(BO₃)₃ and Gd_1-xLu_xCa₄O(BO₃)₃ crystals can be controlled by changing the compositional parameter x. The chemical compositions of the grown crystals were determined and X-ray diffraction measurements have been carried out to characterize the structural changes with compositional parameter x. According to our assumptions, the obtained results demonstrate that two of the grown crystals convert the near-infrared radiation of 800nm into blue-violet light (400nm) by type-I noncritical phase-matching (NCPM) second-harmonic generation (SHG) processes along Y axis.

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Lucian Gheorghe, Alexandru Achim, Pascal Loiseau, and Gerard Aka "New nonlinear Gd_1-xR_xCa₄O(BO₃)₃ (R = Lu, Sc) crystals for 400-nm blue-violet light generation by type-I noncritical phase-matching frequency doubling processes", Proc. SPIE 7469, ROMOPTO 2009: Ninth Conference on Optics: Micro- to Nanophotonics II, 746904 (17 May 2010); https://doi.org/10.1117/12.859049

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