Research Article
Fluorescence Radiation and Thermal Effect at the Edge of the Disk-Shaped Laser Crystal
Table 1
The parameters used in simulation.
| | Parameters | Value |
| | Pumping wavelength (λp) | 940 nm | | Average fluorescence wavelength () | 1005 nm | | Average absorption length () | 3.685 mm | | Reflectivity of solder () | 0.785 | | Cooling convective heat transfer coefficient | 4 × 104 W/(cm2∙K) | | Area ratio of the solder (ηIn_edge) | 60% | | Area of the thin disk edge side (Aside) | 7.854 mm2 | | Environmental temperature (TE) | 25 (°C) | | Initial temperature (T0) | 25 (°C) | | Heat sink material | WCu25 alloy | | Heat sink size | φ252.8 (mm) | | Heat sink thermal conductivity (hH) | 200 W/(m∙K) | | Convective heat dissipation coefficient of impact cooling on the bottom surface of heat sink (qW) | 20000 (W/m2K) |
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