A resonantly pumped 1645 nm Er:YAG nonplanar ring oscillator with 10.5 W single frequency output

Ran Wang, Chunqing Gao, Yan Zheng, Mingwei Gao, Qing Ye

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We demonstrate a single frequency Er:YAG nonplanar ring oscillator (NPRO) resonantly pumped by a fiber laser. Up to 10.5 W single frequency laser output with a slope efficiency of 60.03% was achieved by optimizing the parameters of the Er:YAG NPRO. At 10.5 W output power the M2-factors of the Er:YAG NPRO were 1.09 and 1.24 in the x-and y-directions, respectively. The linewidth of the Er:YAG NPRO was 18.6 kHz.

Original languageEnglish
Article number6490336
Pages (from-to)955-957
Number of pages3
JournalIEEE Photonics Technology Letters
Volume25
Issue number10
DOIs
Publication statusPublished - 2013

Keywords

  • Er:YAG
  • resonant pumping
  • single frequency
  • solidstate laser

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