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Passively Q-switched operation of a Tm:YAlO 3 laser with a BN saturable absorber mirror

  • Xining Yang
  • , Linjun Li
  • , Long Zhou
  • , Wenqiang Xie
  • , Yunfeng Bai
  • , Gangchao Ye
  • , Shixing Xia
  • , Guang Liu
  • , Yingjie Shen
  • , Yuqiang Yang
  • , Wenlong Yang
  • , Xiaoming Duan
  • , Zhiwei Lv
  • , Yongbin Du
  • Harbin University of Science and Technology
  • Heilongjiang Institute of Technology
  • Harbin Normal University
  • Yantai University
  • Harbin Institute of Technology
  • Hebei University of Technology
  • School of Electrical Engineering and Automation, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A passively Q-switched (PQS) Tm:YAlO 3 (Tm:YAP) laser was perfectly implemented with boron nitride (BN) nanosheets as a saturable absorber mirror. In PQS mode, an average output power of 1.54 W with a pulse duration of 349 ns was achieved, corresponding to an optical-optical conversion efficiency of 5.78%. Also, a pulse peak power of 14.6 W was acquired with an output wavelength of 1937.40 nm from the PQS Tm:YAP laser, and the beam quality factors were measured to be and at a physical cavity of 27 mm.

Original languageEnglish
Article number025801
JournalLaser Physics Letters
Volume16
Issue number2
DOIs
StatePublished - Feb 2019
Externally publishedYes

Keywords

  • beam quality factor
  • BN SA
  • passively Q-switched

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