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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 27 — Sep. 20, 2007
  • pp: 6843–6846

Thermo-optical parameters and dispersion of pure and Yb3+-doped KY(WO4)2 laser crystals

Valery V. Filippov and Ivetta T. Bodnar  »View Author Affiliations

Applied Optics, Vol. 46, Issue 27, pp. 6843-6846 (2007)

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Dispersion of the principal refractive indices of pure and Yb 3+ (20 at.%)-doped KY ( WO 4 ) 2 crystal is obtained in the visible range of the spectrum. A comparatively strong increase of the refractive indices ( 0.005 0.007 ) was observed for the doped crystal. Temperature dependence of the principal refractive indices is measured in the temperature region of 290 690   K . Thermo-optical coefficients (TOCs) of the first d n / d t and the second ( 1 / 2 ) ( d 2 n / d T 2 ) order are determined. It is found that TOCs are negative for n p and n g and positive for n m in both crystals. Doping increases d n p / d T almost two times more in comparison to that of the pure crystal, while for the other two indices TOC changes are insignificant.

© 2007 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(140.6810) Lasers and laser optics : Thermal effects
(160.4760) Materials : Optical properties

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 19, 2007
Manuscript Accepted: May 18, 2007
Published: September 19, 2007

Valery V. Filippov and Ivetta T. Bodnar, "Thermo-optical parameters and dispersion of pure and Yb3+-doped KY(WO4)2 laser crystals," Appl. Opt. 46, 6843-6846 (2007)

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