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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 9 — Sep. 1, 2012
  • pp: 091406–091406

High-power and widely tunable Tm-doped fiber laser at 2 μm

Chengzheng Guo, Deyuan Shen, Jingyu Long, and Fei Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 10, Issue 9, pp. 091406-091406 (2012)

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Efficient, high-power, and widely tunable Tm-doped fiber lasers cladding-pumped by diode lasers at 791 nm are demonstrated by use of an external cavity containing a diffraction grating. A maximum output power of 62 W is obtained at 2 004 nm for 140 W of launched pump power, corresponding to a slope efficiency of 48% with respect to launched pump power. The operating wavelength is tunable over 200 nm (1 895 to 2 109 nm), with >52 W of output power over a tuning range of 140 nm (1 926 to 2 070 nm). Prospects for further improvement in output power, lasing efficiency, and tuning range are considered.

© 2012 Chinese Optics Letters

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Lasers and Laser Optics

Chengzheng Guo, Deyuan Shen, Jingyu Long, and Fei Wang, "High-power and widely tunable Tm-doped fiber laser at 2 μm," Chin. Opt. Lett. 10, 091406-091406 (2012)

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