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3.6-W cryogenic Tm,Ho:YLF laser pumped by fiber-coupled diodes module

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

We report a high power cryogenic cooling Tm(6 at.-%), Ho(0.5 at.-%):YLF laser end-pumped by a 19-fiber-coupled-diodes module with the central wavelength of 792 nm at 20°. The highest continuous-wave power of 3.6 W at 2.051 nm is attained under pumping power of 13.6 W, corresponding to optical-optical conversion efficiency of 26%, and the slope efficiency is larger than 30%. The threshold power is only about 0.16 W because of the long lifetime, large effective emission cross section, and low re-absorption in Tm, Ho:YLF crystal.

Original languageEnglish
Pages (from-to)210-211
Number of pages2
JournalChinese Optics Letters
Volume3
Issue number4
StatePublished - Apr 2005

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