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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 2 — Jan. 22, 2007
  • pp: 473–479

High power passively Q-switched ytterbium fiber laser with Cr4+:YAG as a saturable absorber

J. Y. Huang, H. C. Liang, K. W. Su, and Y. F. Chen  »View Author Affiliations

Optics Express, Vol. 15, Issue 2, pp. 473-479 (2007)

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We report an efficient high-peak-power and high-average-power passively Q-switched ytterbium fiber laser with a Cr4+:YAG crystal as a saturable absorber in an external-resonator configuration. At an incident pump power of 17.5 W, the passively Q-switched fiber laser produces an average power greater than 6.2 W with a pulse repetition rate of 48 kHz. The output pulses noticeably display a mode-locking phenomenon that leads to the maximum peak power to be higher than 20 kW.

© 2007 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3540) Lasers and laser optics : Lasers, Q-switched

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 20, 2006
Revised Manuscript: January 8, 2007
Manuscript Accepted: January 11, 2007
Published: January 22, 2007

J. Y. Huang, H. C. Liang, K. W. Su, and Yung-Fu Chen, "High power passively Q-switched ytterbium fiber laser with Cr4+:YAG as a saturable absorber," Opt. Express 15, 473-479 (2007)

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