Finite element method analysis of thermal effect in gradient dopant concentration medium laser end-pumped by laser diode

Liu Quanxi; Ren Gang; Li Yiguo; Yue Tong; Wang Li; Xiao Xing; Deng Cui; Li Jialing

doi:10.3788/irla201948.1105004

[1] Qu Pengfei, Wang Shiyu, Guo Zhen, et al. Adaptive adjusting technique of thermal effect to laser beam quality[J]. Acta Optica Sinica, 2017, 37(5): 0514001. (in Chinese)

[2] Hu Xing, Cheng Dejiang, Guo Zhiyan, et al. Highly efficient RTP electro-optic Q-switched Nd: YVO4 laser by end-pumping at 914 nm [J]. Infrared and Laser Engineering, 2019, 48(1): 0105001. (in Chinese)

[3] Zhu Junchao, Dou Ziwen, Li Jiaqiang, et al. High-precision and wide-range optical crystal temperature control system [J]. Optics and Precision Engineering, 2018, 26(7): 1604-1611. (in Chinese)

[4] Li Yao, Li Yang, Wang Chao. Absorption light field of side-pumped Nd:YAG crystal in LD planar arrays[J]. Chinese Optics, 2018, 11(2): 206-211. (in Chinese)

[5] Yin Xiaoxue, Guo Zhen, Li Bingbin, et al. Laser crystal thermal effect and ladder pump technology [J]. Electronic Sci & Tech, 2010, 23(2): 39-41. (in Chinese)

[6] Lei Chengqiang, Wang Yuefeng, Yin Zhiyong, et al. Theoretical analysis of pumping homogeneity in gradient dopant concentration composite slab [J]. Laser Technology, 2012, 36(3): 428-432. (in Chinese)

[7] Wang Jianlei, Li Lei, Qiao Liang, et al. Theoretical analysis of temperature and stress distribution in end-pumped domposite ceramic Nd:YAG laser slab [J]. Chinese Journal of Lasers, 2009, 36(7): 1777-1783. (in Chinese)

[8] Shan Xiaotong, Yan Xiongwei, Zhang Xiongjun, et al. Analysis of thermal characteristics in laser diode pump solid-state laser with variable doping amplifying medium [J]. Chinese Journal of Lasers, 2011, 38(1): 0102009. (in Chinese)

[9] Zhang Jian, Yu Yongji, Jiang Chengyao, et al. Experiment comparison of acousto-optical Q-switching and RTP electro-optical Q-switching of high repetition frequency Nd:YVO4 laser [J]. Infrared and Laser Engineering, 2017, 46(2): 0205002. (in Chinese)

[10] Liu Quanxi, Zhong Ming. Analysis on thermal effect of laser-diode array end-pumped composite rod laser by finite element method [J]. Acta Physica Sinica, 2010, 59(12): 8535-8541. (in Chinese)

[11] Dascalu T, Pavel N, Tair T. 90 W continuous-wave diode edge-pumped microchip composite Yb:Y3Al5O12 laser [J]. Applied Physics Letters, 2003, 83(20): 4086-4088.

[12] Zhang Kuo, Chen Fei, Li Ruolan, et al. Analysis on thermal performance of output window in high power CO2 laser [J]. Infrared and Laser Engineering, 2017, 46(2): 0205005.

[13] Lan Shuo, Li Xinnan, Wu Chunfeng, et al. Analysis on thermal performance of fast steering mirror irradiated by high power CW laser [J]. Infrared and Laser Engineering, 2018, 47(10): 1020003. (in Chinese)

[14] Brown D C. Nonlinear thermal distortion in YAG rod amplifiers[J]. IEEE J Quantum Electron, 1998, 34(12): 2383-2392.

[15] Sun Ziwen. Establishment and application of multi-parameter strength theory for brittle materials [D]. Shenyang: Shenyang University of Technology, 2017: 1-2. (in Chinese)

[16] Li Shixia. Investigation on the thermal effect and (ultra) short pulse laser performance of concentration gradient composite [D]. Jinan: Shandong University, 2016: 47-48. (in Chinese)