Lasers and Laser Optics

Numerical analysis of temperature distributions in Yb-doped double-clad fiber lasers with consideration of radiative heat transfer

[+] Author Affiliations
Ping Yan

Tsinghua University, Department of Precision Instruments, Center for Photonics and Electronics, State Key Laboratory of Tribology, Beijing 100084, China

Anan Xu

Tsinghua University, Department of Precision Instruments, Center for Photonics and Electronics, State Key Laboratory of Tribology, Beijing 100084, China

Mali Gong

Tsinghua University, Department of Precision Instruments, Center for Photonics and Electronics, State Key Laboratory of Tribology, Beijing 100084, China

Opt. Eng. 45(12), 124201 (December 27, 2006). doi:10.1117/1.2402934
History: Received October 19, 2005; Revised March 17, 2006; Accepted May 17, 2006; Published December 27, 2006
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A more useful model for calculating temperature distributions in kilowatt ytterbium-doped double-clad (YDDC) fiber lasers is proposed. Radiation, a major mode of heat transfer, is taken into account when the thermal conduction equations are solved for temperature distributions in the fiber tube. The results are compared with the ones obtained without considering radiative heat transfer. The presented model gives a qualitative explanation of the real operating conditions of YDDC fibers.

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© 2006 Society of Photo-Optical Instrumentation Engineers

Citation

Ping Yan ; Anan Xu and Mali Gong
"Numerical analysis of temperature distributions in Yb-doped double-clad fiber lasers with consideration of radiative heat transfer", Opt. Eng. 45(12), 124201 (December 27, 2006). ; http://dx.doi.org/10.1117/1.2402934


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