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16 August 2024 The surface and section and body temperature distribution of dual-wavelength laser gain medium in intracavity pumped structure
Yue Chen, Yu Liu, Miao Yu, Kaihui Gu, Ming Guo
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Proceedings Volume 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024); 1323105 (2024) https://doi.org/10.1117/12.3040146
Event: 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 2024, Chongqing, China
Abstract
In the 0.9 μm & 1.0μm structure pumped in cavity, the resonator contains two thermal lenses in addition to two end mirrors. Based on the propagation circle theory, the focal length of the thermal lens of the quasi-three-level laser in the cavity is obtained. The temperature simulation results of two gain mediums are carried out by COMSOL, there is a serious thermal effect in the gain medium of Nd:GdVO4 quasi-three-level laser, which limits the improvement of laser performance. Trying to reduce the thermal lens effectthe is first considered. It lays a good foundation for further analysis of the thermal stability cavity (double thermal lens) with double thermal disturbance and its dynamic characteristics.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Yue Chen, Yu Liu, Miao Yu, Kaihui Gu, and Ming Guo "The surface and section and body temperature distribution of dual-wavelength laser gain medium in intracavity pumped structure", Proc. SPIE 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 1323105 (16 August 2024); https://doi.org/10.1117/12.3040146
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KEYWORDS
Laser resonators
Thermal effects
Laser crystals
Neodymium
Temperature distribution
Body temperature
Crystals
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