High packing density laser diode stack arrays using Al-free active region laser bars with a broad waveguide and discrete copper microchannel-cooled heatsinks
Chinese Optics Letters, Vol. 7, Issue 3, pp. 214-216 (2009)
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Abstract
A high packing density laser diode stack array is developed utilizing Al-free active region laser bars with a broad waveguide and discrete copper microchannel-cooled heatsinks. The microchannel cooling technology leads to a 10-bar laser diode stack array having the thermal resistance of 0.199 oC/W, and enables the device to be operated under continuous-wave (CW) condition at an output power of 1200 W. The thickness of the discrete copper heatsink is only 1.5 mm, which results in a high packing density and a small bar pitch of 1.8 mm.
© 2009 Chinese Optics Letters
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2010) Lasers and laser optics : Diode laser arrays
Citation
Zhigang Liu, Gaozhan Fang, and Kecheng Feng, "High packing density laser diode stack arrays using Al-free active region laser bars with a broad waveguide and discrete copper microchannel-cooled heatsinks," Chin. Opt. Lett. 7, 214-216 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-3-214
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