Tungsten disulfide saturable absorber for passively Q-Switched YVO4/Nd:YVO4/YVO4 laser at 1342.2 nm

Gang Zhang, Yonggang Wang, Zhiyong Jiao, Dailin Li, Jiang Wang, Zhendong Chen

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

By using both tungsten disulfide saturable absorber (WS2-SA) and YVO4/Nd:YVO4(0.3 at.%)/YVO4 crystal, a passively Q-switched laser centered at 1342.2 nm is first reported. Stable Q-switched pulses can be obtained. At the pump power of 12 W, a shortest pulse width of 550 ns and a pulse repetition rate of 97 kHz can be observed by a digital oscilloscope, corresponding to maximum pulse energy of 5.55 μJ and pulse peak power of 10.1 W. The results promote the promising applications of WS2-SA in all-solid-state laser at 1.3 μm.

Original languageEnglish
Pages (from-to)95-99
Number of pages5
JournalOptical Materials
Volume92
DOIs
StatePublished - Jun 2019
Externally publishedYes

Keywords

  • 1342.2 nm laser
  • Diode-pumped lasers
  • Q-switched lasers
  • WS saturable absorber

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