Applied Physics B

, Volume 117, Issue 2, pp 731–735 | Cite as

Nonlinear losses in photoconductive Yb:YAG laser materials: identification of photocarrier properties by non-steady-state photoEMF

  • N. Korneev
  • P. Rodriguez-Montero
  • U. Wolters
  • K. Petermann
  • G. Huber
Article
  • 130 Downloads

Abstract

We report on the investigation of the photocarrier sign and the excitation dynamics in Yb:YAG at 940 nm excitation wavelength by non-steady-state photo-electromotive force technique. Annealed crystals with 25 and 50 % Yb-doping concentration demonstrate hole conductivity, while 80 % Yb:YAG displays electron conductivity. A characteristic relaxation time of approximately 1 ms is observed, which corresponds to the lifetime of the excited Yb3+-ion.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • N. Korneev
    • 1
  • P. Rodriguez-Montero
    • 1
  • U. Wolters
    • 2
  • K. Petermann
    • 2
  • G. Huber
    • 2
  1. 1.Instituto Nacional de Astrofísica, Óptica y ElectrónicaPueblaMexico
  2. 2.Institut für Laser-PhysikUniversität HamburgHamburgGermany

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