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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 17, Iss. 1 — Feb. 1, 2013
  • pp: 5–9

High Power Continuous-Wave and Graphene Q-switched Operation of Er:YAG Ceramic Lasers at ~1.6 μm

Yong Wang, Hao Chen, Deyuan Shen, Jian Zhang, and Dingyuan Tang  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 17, Issue 1, pp. 5-9 (2013)


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Abstract

We report on high-power continuous-wave operations of an Er:YAG ceramic laser in-band pumped by a cladding-pumped Er,Yb fiber laser at 1532 nm. With an output coupler of 10% transmission, the ceramic laser yielded 16.7 W of continuous-wave output at 1645 nm for 28.8 W of incident pump power, corresponding to a slope efficiency of 61.0% with respect to the incident pump power. The lasing wavelength switched to 1617 nm when output couplers of > 20% transmission were used. Up to 16.2 W of 1617 nm output was generated for 33.0 W of incident pump power, corresponding to a slope efficiency of 51.8%. Graphene Q-switched operation of Er:YAG cermic laser at 1645 nm was also demonstrated with stable pulses of 30-74 kHz repetition rates and 1.5-6.4 μs pulse widths.

© 2013 Optical Society of Korea

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(160.3380) Materials : Laser materials
(160.5690) Materials : Rare-earth-doped materials

History
Original Manuscript: October 30, 2012
Revised Manuscript: December 28, 2012
Manuscript Accepted: January 10, 2013
Published: February 25, 2013

Citation
Yong Wang, Hao Chen, Deyuan Shen, Jian Zhang, and Dingyuan Tang, "High Power Continuous-Wave and Graphene Q-switched Operation of Er:YAG Ceramic Lasers at ~1.6 μm," J. Opt. Soc. Korea 17, 5-9 (2013)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-17-1-5


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