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Beam combining of a high-power laser diode bar on a temperature gradient heat sink

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Abstract

A new wavelength beam combining technique for a high-power laser diode bar by using a temperature gradient heat sink has been proposed. The thermal controlling principle of the temperature heat sink has been discussed. It has been proved by experiment that the linear temperature distribution, which generates linear wavelength spread of the output beams from a LD bar, can be obtained by introducing a temperature gradient heat sink and the output beams can be focused into a relative small spot by using the Czerny-Turner beam shaping system.

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所属栏目:lasers and laser optics

收稿日期:2002-08-01

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作者单位    点击查看

Xiang Wu:State Key Lab of Modern Optical Instrumentation, Optical Department of Zhejiang University, Hangzhou 310027
Zi Ye:State Key Lab of Modern Optical Instrumentation, Optical Department of Zhejiang University, Hangzhou 310027
Zukang Lu:State Key Lab of Modern Optical Instrumentation, Optical Department of Zhejiang University, Hangzhou 310027
Yoshihiro Takiguchi:Central Research Laboratory, Hamamatsu Photonics K. K., Harakuchi 5000, Hamakita-City, Shizuoka-Pref., 434-8601 Japan
You Wang:Central Research Laboratory, Hamamatsu Photonics K. K., Harakuchi 5000, Hamakita-City, Shizuoka-Pref., 434-8601 Japan
Hirofumi Kan:Central Research Laboratory, Hamamatsu Photonics K. K., Harakuchi 5000, Hamakita-City, Shizuoka-Pref., 434-8601 Japan

备注:The authors gratefully acknowledge expert technical assistance by Mr. H. Miyajima. X Wu's e-mail address is hsiang woo@hotmail.com

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引用该论文

Xiang Wu, Zi Ye, Zukang Lu, Yoshihiro Takiguchi, You Wang, Hirofumi Kan, "Beam combining of a high-power laser diode bar on a temperature gradient heat sink," Chinese Optics Letters 1(2), 93-95 (2003)

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