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Growth and optical properties of GdCa4O(BO3)3:RE crystals (RE=Sc3+ or Lu3+) as new nonlinear materials

L. GHEORGHE1, V. LUPEI1, A. ACHIM1,* , G. AKA2, C. VARONA2

Affiliation

  1. National Institute R&D for Lasers, Plasma and Radiation Physics, Bucharest R-012577
  2. Laboratoire de Chimie Appliquée de l'Etat Solide, ENSCP, Paris, France

Abstract

The optical birefringence of GdxRExCa4O(BO3)3 (RE=Sc3+ or Lu3+) crystals can be controlled by changing the compositional parameter x. Single crystals of Gd1-xRExCa4O(BO3)3 were grown by Czochralski method. The limits of solubility of RE ions in the GdCOB crystals were determined. The refractive indices of crystals were measured. The non-critical phase-matching (NCPM) condition for second harmonic generation (SHG) in the range 790-940 nm was obtained..

Keywords

GdCa4O(BO3)3 :RE crystal, Nonlinear material, Optical properties, Second harmonic generation.

Submitted at: Oct. 14, 2005
Accepted at: Jan. 26, 2006

Citation

L. GHEORGHE, V. LUPEI, A. ACHIM, G. AKA, C. VARONA, Growth and optical properties of GdCa4O(BO3)3:RE crystals (RE=Sc3+ or Lu3+) as new nonlinear materials, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 1, pp. 91-94 (2006)