• Chinese Journal of Lasers
  • Vol. 45, Issue 1, 101002 (2018)
Ni Yuxi1,2,*, Jing Hongqi1, Kong Jinxia1, Wang Cuiluan1..., Liu Suping1 and Ma Xiaoyu1|Show fewer author(s)
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
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    DOI: 10.3788/CJL201845.0101002 Cite this Article Set citation alerts
    Ni Yuxi, Jing Hongqi, Kong Jinxia, Wang Cuiluan, Liu Suping, Ma Xiaoyu. Thermal Performance of High-Power Laser Diodes Packaged by SiC Ceramic Submount[J]. Chinese Journal of Lasers, 2018, 45(1): 101002 Copy Citation Text show less
    Schematic of the F-mount package of laser diodes
    Fig. 1. Schematic of the F-mount package of laser diodes
    (a) Experimental data of temperature coefficient and linearly fitted curve; (b) transient cooling curves; (c) structure function curves of laser diodes
    Fig. 2. (a) Experimental data of temperature coefficient and linearly fitted curve; (b) transient cooling curves; (c) structure function curves of laser diodes
    Electrical-optical characteristics of typical laser diodes
    Fig. 3. Electrical-optical characteristics of typical laser diodes
    LayerCTE /(10-6·K-1)Elasticmodulus /GPaPoissonratioThermal conductivity /(W·m-1·K-1)Specific heat /(kJ·kg-1·K-1)Thickness inexperiment /μm
    GaAs6.0385.30.312455.32110
    Cu-SiC17.00130.00.3503980.3868
    SiC3.90221.00.2104900.69346
    Cu-AlN17.00130.00.3503980.3879
    AlN4.10270.00.2602000.69324
    Table 1. Detailed parameters of the material and structure of COS package
    Number of laser diodesSubmount materialPower /WElectro-optical conversion efficiency /%Wavelength /nm
    SiC-1SiC15.956.8913.3
    SiC-2SiC15.555.1913.5
    AlN-1AlN15.053.2912.8
    AlN-2AlN15.153.9912.5
    Table 2. Output characteristics of laser diodes packaged by SiC and AlN respectively at 16 A current injection
    Ni Yuxi, Jing Hongqi, Kong Jinxia, Wang Cuiluan, Liu Suping, Ma Xiaoyu. Thermal Performance of High-Power Laser Diodes Packaged by SiC Ceramic Submount[J]. Chinese Journal of Lasers, 2018, 45(1): 101002
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