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All-solid-state acousto-optic mode-locked laser operating at 660 nm

WANG Yu-ning ZHENG Quan SU Xin BAI Zhong-shu ZHANG Xiu-qi LIU Chao-zhi LIU Wei

王禹凝, 郑权, 苏鑫, 柏中树, 张秀齐, 刘超智, 刘薇. 基于声光锁模全固态660 nm激光器[J]. 中国光学(中英文), 2024, 17(1): 238-244. doi: 10.37188/CO.EN-2023-0013
引用本文: 王禹凝, 郑权, 苏鑫, 柏中树, 张秀齐, 刘超智, 刘薇. 基于声光锁模全固态660 nm激光器[J]. 中国光学(中英文), 2024, 17(1): 238-244. doi: 10.37188/CO.EN-2023-0013
WANG Yu-ning, ZHENG Quan, SU Xin, BAI Zhong-shu, ZHANG Xiu-qi, LIU Chao-zhi, LIU Wei. All-solid-state acousto-optic mode-locked laser operating at 660 nm[J]. Chinese Optics, 2024, 17(1): 238-244. doi: 10.37188/CO.EN-2023-0013
Citation: WANG Yu-ning, ZHENG Quan, SU Xin, BAI Zhong-shu, ZHANG Xiu-qi, LIU Chao-zhi, LIU Wei. All-solid-state acousto-optic mode-locked laser operating at 660 nm[J]. Chinese Optics, 2024, 17(1): 238-244. doi: 10.37188/CO.EN-2023-0013

基于声光锁模全固态660 nm激光器

详细信息
  • 中图分类号: O432.1+2

All-solid-state acousto-optic mode-locked laser operating at 660 nm

doi: 10.37188/CO.EN-2023-0013
Funds: Supported by Science and Technology Development Plan of Jilin Province, China (No. 20210201004GX)
More Information
    Author Bio:

    WANG Yu-ning (1986 —), male, senior engineer, born in Changchun, Jilin Province. He recieved his B.S. and M.S. from Changchun University of Science and Technology, in 2009 and 2012, respectively, and is now working as an R & D manager in Changchun New Industries Optoelectronics Technology Co., Ltd. His main research areas are laser physics and new type lasers. E-mail: wangyn@cnilaser.com

    SU Xin (1991 —), male, engineer, born in Changchun, Jilin Province. He received his bachelor's degree from Changchun University of Science and Technology in 2014. He is mainly engaged in the research of all-solid-state laser and nonlinear optical frequency conversion technology. E-mail: suxin@cnilaser.com

    Corresponding author: suxin@cnilaser.com
  • 摘要:

    脉冲宽度为皮秒的红光激光器,具有脉冲宽度窄,峰值功率高的优点,使其在工业、医疗、科研和信息存储等方面具有广泛的应用。本文采用声光锁模(AOML)的方式设计了一款具有窄线宽、高转换效率,输出波长为660 nm的全固态皮秒激光器。该激光器采用半导体侧面泵浦的方式,通过优化谐振腔型,并使用两块LiB3O5 ( LBO )晶体进行腔外倍频,最终获得最大输出功率为8.6 W的660 nm激光输出。激光器采用脉冲侧面泵浦的模式,获得的锁模脉冲频率为100 MHz,脉冲宽度为887 ps。1319 nm至660 nm激光的倍频转换效率可达41%。

     

  • Figure 1.  Schematic diagram for mode-locked pulsed Nd:YAG/LBO red laser.M1–M6: 45° high-reflection (HR) coating at 1319 nm; M7-M10: concave mirrors; M11: 45° HR at 1319 nm and anti-reflection (AR) coating at 660 nm; L1, L2: lens; LM1–LM4: laser modules

    Figure 2.  Energy level diagram of an Nd:YAG crystal

    Figure 3.  The laser pulse waveform (when oscilloscope's bandwidth is adjusted to 20 MHz)

    Figure 4.  Schematic for macro-micro pulse waveforms

    Figure 5.  Micro pulse profiles of the mode-locked 660 nm laser waveforms

    Figure 6.  Beam profile distribution of the 659.592 nm laser

    Figure 7.  Spectrum profile and linewidth of red laser (660nm) output pulse

    Figure 8.  The long-term stability of laser frequency and linewidth of red laser

    Figure 9.  660 nm output power versus the input power for frequency doubling in LBO crystals

    Figure 10.  Power stability of the output laser over 2 hours

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出版历程
  • 收稿日期:  2023-06-06
  • 修回日期:  2023-07-10
  • 网络出版日期:  2023-08-08

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