High Power Laser Science and Engineering, Volume. 12, Issue 4, 04000e41(2024)

High-efficiency tandem Ho:YAG single-crystal fiber laser delivering more than 100 W output power

Jianlei Wang1, Zihao Tong2, Changsheng Zheng2, Tianyi Du2, Yongguang Zhao2、*, and Chun Wang1、*
Author Affiliations
  • 1Key Laboratory of Laser & Infrared System, Ministry of Education, Shandong University, Qingdao, China
  • 2Jiangsu Collaborative Innovation Center of Advanced Laser Technology and Emerging Industry, Jiangsu Normal University, Xuzhou, China
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    Figures & Tables(5)
    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].
    Experimental setup of the tandem Ho:YAG SCF laser.
    (a) CW laser output powers and (b) the corresponding optical spectra of the Ho:YAG tandem SCF laser with different OC transmissions (TOC = 30%, 50%, 70% and 90%).
    Caird plot for the tandem Ho:YAG SCF laser: inverse slope efficiency with respect to the inverse output-coupling loss.
    The measured beam quality at different power levels; the insert is the corresponding near-field beam profiles.
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    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[J]. High Power Laser Science and Engineering, 2024, 12(4): 04000e41

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    Paper Information

    Category: Research Articles

    Received: Feb. 20, 2024

    Accepted: Apr. 17, 2024

    Published Online: Sep. 20, 2024

    The Author Email: Yongguang Zhao (yongguangzhao@yeah.net), Chun Wang (chunwang@sdu.edu.cn)

    DOI:10.1017/hpl.2024.22

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