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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 9, Iss. 3 — Mar. 10, 2011
  • pp: 031402–

All-fiber, high power single-frequency linearly polarized ytterbium-doped fiber amplifier

Chi Liu, Yunfeng Qi, Yaqian Ding, Jun Zhou, Jingxing Dong, Yunrong Wei, and Qihong Lou  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 3, pp. 031402- (2011)


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Abstract

We report an all-fiber high power, single frequency large-mode area (LMA) linearly polarized ytterbiumdoped fiber amplifiers (YDFA) module, which is based on the master oscillator multi-stage power amplifiers (MOPA). The maximum output power is 43.8 W at a wavelength of 1064 nm when 60-W launched pump light is coupled, with high slope efficiency of 88%, polarization extinction rate (PER) >17.2 dB and nearly diffraction-limited beam quality (M2<1.1).

© 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

Citation
Chi Liu, Yunfeng Qi, Yaqian Ding, Jun Zhou, Jingxing Dong, Yunrong Wei, and Qihong Lou, "All-fiber, high power single-frequency linearly polarized ytterbium-doped fiber amplifier," Chin. Opt. Lett. 9, 031402- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-3-031402

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