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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. 4 — Apr. 10, 2005
  • pp: 210–211

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

Baoquan Yao, Youlun Ju, Yuezhu Wang, Wanjun He, and Yufeng Li  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue 4, pp. 210-211 (2005)

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In this paper, 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 deg.. The highest continuous-wave power of 3.6 W at 2.051 ?m 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.

© 2005 Chinese Optics Letters

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

Baoquan Yao, Youlun Ju, Yuezhu Wang, Wanjun He, and Yufeng Li, "3.6-W cryogenic Tm,Ho:YLF laser pumped by fiber-coupled diodes module," Chin. Opt. Lett. 3, 210-211 (2005)

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