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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 9, Iss. 11 — Nov. 1, 2011
  • pp: 111404–

122-W high-power single-frequency MOPA fiber laser in all-fiber format

Xiaolin Dong, Hu Xiao, Shanhui Xu, Zhiyong Pan, Yanxing Ma, Xiaolin Wang, Pu Zhou, and Zhongmin Yang  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 11, pp. 111404- (2011)


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Abstract

We demonstrate a high-power single-frequency master oscillator power amplifier (MOPA) fiber laser. The central wavelength of the single-frequency fiber laser seed is 1 063.8 nm, with a linewidth narrower than 20 kHz and output power of 120 mW. By using two-stage amplification, a single-frequency fiber laser with an output power of 122 W is obtained, and the optical-optical conversion efficiency is 72%. No significant amplified spontaneous emission (ASE) or stimulated Brillouin scattering (SBS) is observed. The output power can be further increased by launching more pump power.

© 2011 Chinese Optics Letters

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Citation
Xiaolin Dong, Hu Xiao, Shanhui Xu, Zhiyong Pan, Yanxing Ma, Xiaolin Wang, Pu Zhou, and Zhongmin Yang, "122-W high-power single-frequency MOPA fiber laser in all-fiber format," Chin. Opt. Lett. 9, 111404- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-11-111404


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