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Diode-pumped quasi-three-level passively Q-switched Nd:GGG laser with a codoped Nd,Cr:YAG saturable absorber

  • Kun Na He*
  • , Chun Qing Gao
  • , Zhi Yi Wei
  • , Qi Nan Li
  • , Zhi Guo Zhang
  • , Hai He Jiang
  • , Shao Tang Yin
  • , Qing L. Zhang
  • *Corresponding author for this work
  • Beijing Institute of Technology
  • CAS - Institute of Physics
  • CAS - Anhui Institute of Optics and Fine Mechanics

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate the first quasi-three-level passively Q-switched Nd:GGG laser at 937 nm using a Nd,Cr:YAG crystal as the saturable absorber. The dependences of the average output power, the repetition rate and the pulse width on the incident pump power are obtained. A maximum average output power of 1.18 W with repetition rate of 35 kHz and pulse width of 45 ns is achieved at an incident pump power of 18.3 W. The corresponding optical-to-optical and slope efficiencies are 6% and 10%, respectively.

Original languageEnglish
Article number094202
JournalChinese Physics Letters
Volume26
Issue number9
DOIs
Publication statusPublished - 2009
Externally publishedYes

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