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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 24 — Dec. 15, 2008
  • pp: 2919–2921

Cr 4 + : YAG double-clad crystal fiber laser

Chien-Chih Lai, Hann-Jong Tsai, Kuang-Yao Huang, Kuang-Yu Hsu, Zhi-Wei Lin, Kuan-Dong Ji, Wen-Jun Zhuo, and Sheng-Lung Huang  »View Author Affiliations


Optics Letters, Vol. 33, Issue 24, pp. 2919-2921 (2008)
http://dx.doi.org/10.1364/OL.33.002919


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Abstract

We report what we believe to be the first demonstration of a room-temperature, continuous-wave Cr 4 + : Y 3 Al 5 O 12 ( Cr 4 + : YAG ) double-clad crystal fiber laser grown by the codrawing laser heated pedestal growth method. The threshold is below 100 mW , which is a factor of 4 lower than previously reported Cr 4 + -doped lasers. A slope efficiency of 6.9% was obtained, and is in good agreement with the numerical simulation. In additional to small core diameter, the low-threshold lasing is made possible by the low propagation loss of 0.08 dB cm and the high crystallinity of the core.

© 2008 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(160.6990) Materials : Transition-metal-doped materials

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 8, 2008
Revised Manuscript: October 30, 2008
Manuscript Accepted: October 31, 2008
Published: December 4, 2008

Citation
Chien-Chih Lai, Hann-Jong Tsai, Kuang-Yao Huang, Kuang-Yu Hsu, Zhi-Wei Lin, Kuan-Dong Ji, Wen-Jun Zhuo, and Sheng-Lung Huang, "Cr4+:YAG double-clad crystal fiber laser," Opt. Lett. 33, 2919-2921 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-24-2919


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