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Diode-pumped continuous wave and Q-switched operation of a c-cut Tm,Ho:YAlO3 laser

  • Bao Quan Yao*
  • , N. Jun Li
  • , Liang Liang Zheng
  • , Yue Zhu Wang
  • , Guang Jun Zhao
  • , Jun Xu
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • CAS - Shanghai Institute of Optics and Fine Mechanics

Research output: Contribution to journalArticlepeer-review

Abstract

We report on a diode-pumped, cryogenic and room temperature operation of a Tm,Ho:YAlO3 (c-cut) laser. In a temperature of 77 K, an optical-optical conversion efficiency of 27% and a slope efficiency of 29% were achieved with the maximum continuous-wave (CW) output power of 5.0 W at 2.13 μm. Acousto-optic switched operation was performed at pulse repetition frequency (PRF) from 1 kHz to 10 kHz, the highest pulse energy of 3.3 mJ in a pulse duration of 40 ns was obtained. In room temperature (RT), the maximum CW power of Tm,Ho:YAlO3 laser was 160 mW with a slope efficiency of 11% corresponding to the absorbed pump power.

Original languageEnglish
Pages (from-to)5075-5081
Number of pages7
JournalOptics Express
Volume16
Issue number7
DOIs
StatePublished - 31 Mar 2008

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