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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 11 — Nov. 1, 2012
  • pp: 111401–111401

Efficient heat transfer in high-power fiber lasers

Yuanyuan Fan, Bing He, Jun Zhou1;2 Jituo Zheng, Shoujun Dai, Chun Zhao, Yunrong Wei, and Qihong Lou  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 11, pp. 111401-111401 (2012)


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Abstract

The maximum output power offiber lasers limited by the thermal degradation of double-clad fiber coatings is theoretically simulated. We investigated the thermal effects on high-power continuous wave (CW) fiber lasers with a focus on heating at the splice joints as well as on the doped fiber caused by quantum defects. Whether thermal interface materials are used or not, the thermal contact resistances between the fiber and its heat sink are measured separately while using different cooling equipments. Though the thermal management of splices is more difficult than that of active fibers, a temperature increase of 0.019 K/W is obtained for a splice joint into which the pump light launches. The splice joint sustains 3 kW of total passing power.

© 2012 Chinese Optics Letters

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(140.6810) Lasers and laser optics : Thermal effects
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

Citation
Yuanyuan Fan, Bing He, Jun Zhou1;2 Jituo Zheng, Shoujun Dai, Chun Zhao, Yunrong Wei, and Qihong Lou, "Efficient heat transfer in high-power fiber lasers," Chin. Opt. Lett. 10, 111401-111401 (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-11-111401


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