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Comparative investigation of efficient diode-pumped c-Cut Tm:YAP laser emitting at 1.94 and 1.99 μm

  • P. B. Meng*
  • , B. Q. Yao
  • , G. Li
  • , Y. L. Ju
  • , Y. Z. Wang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A c-cut Tm:YAP laser which operated at 1.94 or 1.99 μm is reported in detail. The maximum out-put power was 20.4 and 19.8 W at the wavelength around 1.99 and 1.94 μm, corresponding to the slope efficiency of 34.3 and 31.5%, respectively. For 1.94 μm operation, with an F-P etalon inserted in the cavity, the output central wavelength was stable around 1.94 μm with about 0.15 nm linewidth. The beam quality factor M 2 was measured to be ∼1.8 for 1.99 μm and ∼1.9 for 1.94 μm.

Original languageEnglish
Pages (from-to)351-354
Number of pages4
JournalLaser Physics
Volume22
Issue number2
DOIs
StatePublished - Feb 2012

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