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Proceedings Article

Mechanisms of slow bleaching in YAG:Cr4+under cw pumping

[+] Author Affiliations
Irina T. Sorokina, S. Naumov, E. Sorokin

Technische Univ. Wien (Austria)

A. G. Okhrimchuk

General Physics Institute (Russia)

Proc. SPIE 4350, Laser Optics 2000: Solid State Lasers, 99 (March 23, 2001); doi:10.1117/12.420950
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From Conference Volume 4350

  • Laser Optics 2000: Solid State Lasers
  • Vladimir I. Ustugov
  • St. Petersburg, Russia | June 26, 2000

abstract

We report on the results of lasing and spectroscopic investigations of the anomalously slow recoverable bleaching of Cr,Ca:YAG and Cr,Mg:YAG crystals. We propose two models for this effect: (i) Cr4+ reduction to Cr3+ due to oxygen valence band electron capture by Cr4+, and (ii) induced disorder in Cr4+ tetrahedral center due to effect of oxygen vacancies.

© (2001) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Irina T. Sorokina ; S. Naumov ; E. Sorokin and A. G. Okhrimchuk
"Mechanisms of slow bleaching in YAG:Cr4+under cw pumping", Proc. SPIE 4350, Laser Optics 2000: Solid State Lasers, 99 (March 23, 2001); doi:10.1117/12.420950; http://dx.doi.org/10.1117/12.420950


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