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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 1553–1568

Detailed characterization of pump-induced refractive index changes observed in 
Nd:YVO4, Nd:GdVO4 and Nd:KGW

R. Soulard, A. Zinoviev, J.L. Doualan, E. Ivakin, O. Antipov, and R. Moncorgé  »View Author Affiliations

Optics Express, Vol. 18, Issue 2, pp. 1553-1568 (2010)

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The refractive index changes which can be induced in the Nd:YVO4, Nd:GdVO4 and Nd:KGW high gain laser crystals, when their Nd3+ laser active ions are pumped from their ground- to excited- energy levels, have been carefully measured and characterized. By using two complementary optical techniques based on pump-probe interferometry and transient diffraction grating, the electronic and thermal contributions to the observed refractive index variations have been accurately determined and successfully exploited to derive various parameters such as polarizability changes, thermo-optic coefficients and thermal diffusivities.

© 2010 OSA

OCIS Codes
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(160.3380) Materials : Laser materials
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter

ToC Category:

Original Manuscript: October 26, 2009
Revised Manuscript: December 14, 2009
Manuscript Accepted: December 15, 2009
Published: January 13, 2010

R. Soulard, A. Zinoviev, J. L. Doualan, E. Ivakin, O. Antipov, and R. Moncorgé, "Detailed characterization of pump-induced refractive index changes observed in Nd:YVO4, Nd:GdVO4 and Nd:KGW," Opt. Express 18, 1553-1568 (2010)

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Fig. 1 Fig. 2 Fig. 3
Fig. 4

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