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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 10 — Oct. 1, 2006
  • pp: 2097–2106

Thermal lens and Auger upconversion losses’ effect on the efficiency of Nd 3 + -doped lead lanthanum zirconate titanate transparent ceramics

Andrea S. S. de Camargo, Carlos Jacinto, Tomaz Catunda, Luiz Antonio de O. Nunes, Ducinei Garcia, and José Antonio Eiras  »View Author Affiliations


JOSA B, Vol. 23, Issue 10, pp. 2097-2106 (2006)
http://dx.doi.org/10.1364/JOSAB.23.002097


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Abstract

A thorough investigation of optical losses for the 1064 nm emission in Nd 3 + -doped lead lanthanum zirconate titanate (PLZT) transparent ceramics is presented. Thermal lens experiments were carried out to evaluate thermo-optical properties and the fluorescence quantum efficiency of the emitting level F 3 2 4 . Excited-state absorption losses were measured in the emitting wavelength region, and the Auger upconversion energy transfer parameter γ was calculated. By using γ, the pump-intensity dependence of the optical gain at 1064 nm , the fluorescence quantum efficiency, and the generation of heat in the ceramic were simulated for a high 803 nm pump-power regime. Since the radiative and nonradiative losses in Nd : PLZT were verified to be considerably lower than in various commercial laser crystals and glasses, it is suggested that this material might become an interesting alternative for high-power laser emission.

© 2006 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.7220) Nonlinear optics : Upconversion
(260.2160) Physical optics : Energy transfer

ToC Category:
Materials

History
Original Manuscript: August 15, 2005
Revised Manuscript: June 15, 2006
Manuscript Accepted: June 16, 2006

Citation
Andrea S. S. de Camargo, Carlos Jacinto, Tomaz Catunda, Luiz Antonio de O. Nunes, Ducinei Garcia, and José Antonio Eiras, "Thermal lens and Auger upconversion losses' effect on the efficiency of Nd3+-doped lead lanthanum zirconate titanate transparent ceramics," J. Opt. Soc. Am. B 23, 2097-2106 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-10-2097

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