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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 2, Iss. 3 — Mar. 10, 2004
  • pp: 148–150

Optimization of linear cavity design of Yb-doped double-clad fiber laser

Ling Zhao, Chunlin Zhang, Lina Li, and Lijun Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 2, Issue 3, pp. 148-150 (2004)

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The output characteristics of a linear cavity Yb-doped double-clad fiber (DCF) laser, including the effects of fiber length, fiber loss, and output mirror reflectivity on laser output power and threshold pump power have been studied theoretically andexperimentally. In this paper, the linear cavity of double-clad fiber laser (DCFL) was composed of a pair of fiber Bragg gratings, while the facet of fiber was anti-reflection (AR) coated at 1070nm to erase the Fresnel reflection. Analysis showed that the laser output increases as the reflectivity of the fiber Bragg grating used as the output mirror decreases. At last, under the pump power of 14.4 W, single-mode laser output at 1070 nm was up to 10.8 W, with slope efficiency of 75%.

© 2005 Chinese Optics Letters

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(140.3510) Lasers and laser optics : Lasers, fiber

Ling Zhao, Chunlin Zhang, Lina Li, and Lijun Wang, "Optimization of linear cavity design of Yb-doped double-clad fiber laser," Chin. Opt. Lett. 2, 148-150 (2004)

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