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Stable microsecond pulsewidth passively Q-switched Tm,Ho:YLF laser

  • X. L. Zhang*
  • , L. Li
  • , Y. F. Liu
  • , Y. F. Peng
  • , J. H. Cui
  • , Y. L. Ju
  • *Corresponding author for this work
  • Harbin Engineering University

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper we first report on a continuous wave laser diode end-pumped passively Q-switched Tm,Ho:YLF laser at 2053 nm with Cr:ZnS crystal as a saturable absorber near room temperature. The pulsewidth is very stable at about 1.25 μs, the pulsed energy is about 4 μJ, and the pulse repetition is between 1.3 and 2.6 kHz when the pump power is changed from 1.0 to 1.9 W. The nearly diffraction-limited and stable long pulse laser can be used to laser lidar systems for accurate wind velocity measurements.

Original languageEnglish
Pages (from-to)277-280
Number of pages4
JournalLaser Physics Letters
Volume8
Issue number4
DOIs
StatePublished - Apr 2011

Keywords

  • Cr:ZnS
  • Diode pumped lasers
  • Passively q-switched lasers
  • Tm,Ho:YLF

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