Long Li, Juan Niu, Chunling Zhang, Jianhua Yang. Thermal Effect Analysis of Continuous LD End-Pumped Square YAG/Yb∶YAG Composite Crystal[J]. Laser & Optoelectronics Progress, 2023, 60(1): 0114001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 1, 0114001 (2023)
Fig. 1. Experimental setup of LD end-pumped square YAG/Yb∶YAG composite crystal z-shaped fold cavity laser
Fig. 2. Geometry diagram of LD end-pumped square YAG/Yb∶YAG composite crystal
Fig. 3. Temperature distribution of square composite crystal in pump surface
Fig. 4. Temperature variation along z axis in the square composite crystal under different pump powers
Fig. 5. Temperature variation along z axis of gain crystals of composite crystals bonded with YAG of different lengths
Fig. 6. Temperature variation along z axis of gain crystals of square YAG/Yb∶YAG composite crystals of different cross section sizes
Fig. 7. Thermal deformation distribution of square YAG/Yb∶YAG composite crystal in pump surface
Fig. 8. Thermal deformation curves of square YAG/Yb∶YAG composite crystals with different bonding thicknesses along the z axis
Fig. 9. Thermal stress distribution of square YAG/Yb∶YAG composite crystal in pump surface
Fig. 10. Thermal stress variation along z axis of square YAG/Yb∶YAG composite crystals with different bonding thicknesses
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Table 1. Parameters used in the calculation
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