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10 W cryogenic cooling Tm,Ho:YLF laser double-end-pumped by fiber-coupled laser diodes

  • Harbin Institute of Technology

Research output: Contribution to journalConference articlepeer-review

Abstract

In this paper, we report a high power of cryogenic cooling Tm(8 at %),Ho(1.4 at %):YLF dual end pumped by two fiber coupled laser diodes at 792nm. Each pumping laser h ead delivers 15W power in an inner fiber core area of 0.4mm and numerical number of 0.3. The highest continuous-wave (cw) power of 10.2W at 2.051μm is attained under pumping power of 30W, corresponding to optical-optical conversion efficiency of 33%, and the slope efficiency is greater than 36%.The maximum acousto-optical Q-switched quasi-continuous wave output power is 9.2 W at pulse repetition frequency of 10kHz, corresponding to greater than 90% extraction efficiency in the full-width half-maximum pulse width of 34ns.

Original languageEnglish
Article number24
Pages (from-to)142-146
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5627
DOIs
StatePublished - 2005
EventHigh-Power Lasers and Applications III - Beijing, China
Duration: 8 Nov 200411 Nov 2004

Keywords

  • Acousto-optical Q-switched
  • Double-end-pumped
  • Laser diode
  • Tm,Ho:YLF

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