Phase transition cooling techniques for high power diode laser

Wu Deyong; Gao Songxin; Cao Hongzhang; Wang Hong; Li Yi; Yang Bo

doi:10.3788/HPLPB20132511.2799

Volume 25 Issue 11

Dec. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(11): 2799-2802

Li Mintang, Wang Guangdong, Zhang Chunhe, et al. Effect of pulse current waveform on sliding performance of solid armatures[J]. High Power Laser and Particle Beams, 2012, 24: 2763-2767. doi: 10.3788/HPLPB20122411.2763

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Wu Deyong, Gao Songxin, Cao Hongzhang, et al. Phase transition cooling techniques for high power diode laser[J]. High Power Laser and Particle Beams, 2013, 25: 2799-2802. doi: 10.3788/HPLPB20132511.2799

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Phase transition cooling techniques for high power diode laser

doi: 10.3788/HPLPB20132511.2799

1.
Institute of Applied Electronics,CAEP,P.O.Box 919-1013,Mianyang 621900,China;
2.
Instituite of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China;
3.
Institute of Engineering Thermophysics,Chongqing University,Chongqing 400030,China

Received Date: 2013-05-06
Rev Recd Date: 2013-07-18
Publish Date: 2013-10-28

Abstract

Abstract

We designed a phase transition cooling system with thermal energy storage solutions, and designed a spray phase transition cooler and microchannel phase transition coolers that meet the need of heat dispersion for high power diode laser. By use of NH3 as cryogen, the cooler with porous heat exchanging surface achieved a heat flux density up to 511 W/cm2 while the surface temperature was 37 ℃. A back cooling phase transition microchannel cooler and a thin piece shaped phase transition microchannel cooler had been designed by using throttle evaporation principle. The dispersed heat flux density of 550 W/cm2 and 270 W/cm2 was proved by the back cooling phase transition cooler with NH3 and R124 as cryogen, respectively. The diode laser modules with power of QCW 3 kW and CW 100 W were packaged based on phase transition cooler with R124 as cryogen.
- phase transition cooling,
- diode laser,
- microchannel cooler,
- spray phase transition,
- throttle evaporation

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