Thermal effects in thin-rod single crystalline fiber laser

Benjian Shen; Rumao Tao; Xuan Tang; Yu Liu; Min Li; Shan Huang; Xi Feng; Jianjun Wang

doi:10.1117/12.2565201

17 April 2020 Thermal effects in thin-rod single crystalline fiber laser

Benjian Shen, Rumao Tao, Xuan Tang, Yu Liu, Min Li, Shan Huang, Xi Feng, Jianjun Wang

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114555W (2020) https://doi.org/10.1117/12.2565201
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

Thermal effects are critical limit relevant to the power scaling of single crystalline fiber laser. In this paper, thermal effects in thin-rod single crystalline fiber are numerically researched. The simulation results show that thermal effects can be effectively reduced by enhancing the convective coefficient and decreasing the diameter of single crystalline fiber. For the most thin-rod single crystalline fibers utilized with diameter of 1 mm and length of 40 mm, the maximum heat load is only about 107 W due to the thermal rupture effect, which limits the laser output power to ~1 kW levels. The numerical results provide references for the developments and designing of thin-rod SCF laser

Citation Download Citation

Benjian Shen, Rumao Tao, Xuan Tang, Yu Liu, Min Li, Shan Huang, Xi Feng, and Jianjun Wang "Thermal effects in thin-rod single crystalline fiber laser", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114555W (17 April 2020); https://doi.org/10.1117/12.2565201

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