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A continuous-wave b-cut Tm, Ho:YAlO3 laser with a 15 W output pumped by two laser diodes

  • L. J. Li
  • , Y. F. Bai
  • , X. M. Duan
  • , J. P. Qin
  • , J. Wang
  • , Z. L. He
  • , S. Zhou
  • , Z. G. Zhang
  • Harbin Institute of Technology
  • Heilongjiang Institute of Technology
  • Harbin Normal University

Research output: Contribution to journalArticlepeer-review

Abstract

A high power and efficiency b-cut Tm, Ho:YAlO3 (YAP) laser is reported in this letter. The laser operated in continuous-wave (CW) mode at 2.12 μm. The Tm, Ho:YAP crystal was cooled at a temperature of 77 K and pumped by two fibre-coupled laser diodes with centre output wavelengths of 794.1 and 794.0 nm. A 15.0 W output power was obtained at a 155 mm physical cavity length with an optical-optical conversion efficiency of 39.2%, corresponding to a slope efficiency of 41.1%.

Original languageEnglish
Article number035802
JournalLaser Physics Letters
Volume10
Issue number3
DOIs
StatePublished - Mar 2013
Externally publishedYes

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