Jifei Dong, Jianlei Wang, Changsheng Zheng, Jian Liu, Tianyi Du, Bin Chen, Jingjing Zhou, Ning Zhang, Zhanxin Wang, Yongguang Zhao, Xiaodong Xu, Chun Wang, Jun Xu. 1.7 μ m LD Resonantly Pumped Tm∶ YAG Single Crystal Fiber Laser[J]. Chinese Journal of Lasers, 2024, 51(6): 0601003
- Chinese Journal of Lasers
- Vol. 51, Issue 6, 0601003 (2024)
Fig. 1. Experimental setup of 1.7 μm LD resonantly pumped Tm∶YAG SCF laser with picture of homemade Tm∶YAG SCF module shown in inset
Fig. 2. Pump intensity distributions in SCF and output powers of Tm∶YAG SCF lasers under different pump beam waist radii. Pump intensity distributions on (a) longitudinal section and (b) central axis; (c) output powers of Tm∶YAG SCF lasers
Fig. 3. Continuous laser output power of resonantly pumped Tm∶YAG SCF laser with pump beam waist of 170 μm and laser spectra under different output mirrors. (a) Output powers; (b) laser spectra
Fig. 4. Beam quality of resonantly pumped Tm∶YAG SCF laser. (a) Beam quality under different output powers (TOC=5%); (b) typical beam quality; (c) beam profile at 6.27 W output laser power; (d) beam profile under maximum laser output power
Fig. 5. Focal length of thermal lens versus incident pump power
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