Jianlei Wang, Zihao Tong, Changsheng Zheng, Tianyi Du, Yongguang Zhao, Chun Wang, "High-efficiency tandem Ho:YAG single-crystal fiber laser delivering more than 100 W output power," High Power Laser Sci. Eng. 12, 04000e41 (2024)
- High Power Laser Science and Engineering
- Vol. 12, Issue 4, 04000e41 (2024)
![Overview of 2-μm continuous-wave (CW) Ho:YAG and Ho:fiber lasers[8" target="_self" style="display: inline;">8–26" target="_self" style="display: inline;">26].](/richHtml/hpl/2024/12/4/04000e41/img_1.png)
Fig. 2. Experimental setup of the tandem Ho:YAG SCF laser.
Fig. 3. (a) CW laser output powers and (b) the corresponding optical spectra of the Ho:YAG tandem SCF laser with different OC transmissions (T OC = 30%, 50%, 70% and 90%).
Fig. 4. Caird plot for the tandem Ho:YAG SCF laser: inverse slope efficiency with respect to the inverse output-coupling loss.
Fig. 5. The measured beam quality at different power levels; the insert is the corresponding near-field beam profiles.
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