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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 33 — Nov. 20, 2013
  • pp: 8008–8012

Hybrid-pumped, gain-switched 1120  nm ytterbium-doped fiber laser

Hanwei Zhang, Hu Xiao, Pu Zhou, Xiaolin Wang, and Xiaojun Xu  »View Author Affiliations

Applied Optics, Vol. 52, Issue 33, pp. 8008-8012 (2013)

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A monolithic, hybrid-pumped, gain-switched, single-mode, 1120 nm Yb-doped fiber laser is reported. Pumped by a 1064 nm pulse fiber source and a continuous-wave 976 nm laser diode, a record output pulse energy of 91.7 μJ at repetition rate of 10 kHz is obtained. The full width at half-maximum of the pulses is 4.1 μs, and the slope efficiency corresponding to the 1064 nm laser is more than 46%. The pulse build-up time and a pulsewidth decrease with an increase in the pump pulse energy are observed. In the gain-switched pulses, mode-lock-resembling pulses are detected. The subpulse’s duration is about 415 ns, including the cavity round-trip time, and the width varied from 80 to 320 ns, which is longer than the traditional mode-locked laser.

© 2013 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3538) Lasers and laser optics : Lasers, pulsed
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 23, 2013
Manuscript Accepted: October 12, 2013
Published: November 13, 2013

Hanwei Zhang, Hu Xiao, Pu Zhou, Xiaolin Wang, and Xiaojun Xu, "Hybrid-pumped, gain-switched 1120  nm ytterbium-doped fiber laser," Appl. Opt. 52, 8008-8012 (2013)

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