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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 16 — Jul. 30, 2012
  • pp: 17539–17544

High-power narrow-bandwidth thulium fiber laser with an all-fiber cavity

Yulong Tang, Chongyuan Huang, Shengli Wang, Hongqiang Li, and Jianqiu Xu  »View Author Affiliations

Optics Express, Vol. 20, Issue 16, pp. 17539-17544 (2012)

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We report diode pumped high power 2-µm Tm3+ fiber lasers with an all-fiber configuration. The all-fiber configuration is completed by specially designed fiber Bragg gratings with similar structure parameters matched to the gain fiber. The maximum output power is 137 W with an optical-to-optical slope efficiency of 62% with respect to absorbed 793-nm pump power. The laser wavelength is stabilized at ~2019 nm with a spectral linewidth less than 3 nm across all output levels. To the best of our knowledge, this is the highest 2-µm laser output from a single narrow bandwidth all-fiber laser system.

© 2012 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 1, 2012
Revised Manuscript: July 7, 2012
Manuscript Accepted: July 12, 2012
Published: July 18, 2012

Yulong Tang, Chongyuan Huang, Shengli Wang, Hongqiang Li, and Jianqiu Xu, "High-power narrow-bandwidth thulium fiber laser with an all-fiber cavity," Opt. Express 20, 17539-17544 (2012)

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