• Journal of Applied Optics
  • Vol. 44, Issue 4, 920 (2023)
Xinyi HOU1,2, Ling WU1,2, Baoqun LI1,2, Zixiong LI2..., Lei DU1,2 and Tianshu WANG1,2,*|Show fewer author(s)
Author Affiliations
  • 1National and Local Joint Engineering Research Center of Space Optoelectronics Technology, Changchun University of Science and Technology, Changchun 130022, China
  • 2School of Opto-electronic Engineering, Changchun University of Science and Technology, Changchun 130022, China
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    DOI: 10.5768/JAO202344.0408002 Cite this Article
    Xinyi HOU, Ling WU, Baoqun LI, Zixiong LI, Lei DU, Tianshu WANG. Output characteristics of 1 μm all-fiber MOPA structure laser[J]. Journal of Applied Optics, 2023, 44(4): 920 Copy Citation Text show less
    Structure diagram of optical path of all-fiber laser with MOPA structure
    Fig. 1. Structure diagram of optical path of all-fiber laser with MOPA structure
    Output characteristics of seed source
    Fig. 2. Output characteristics of seed source
    Output characteristics of single seed source with MOPA structure
    Fig. 3. Output characteristics of single seed source with MOPA structure
    MOPA laser output characteristics
    Fig. 4. MOPA laser output characteristics
    Spectral characteristics of MOPA laser with full-power output of amplifier pump and different input power percentage of seed source pump
    Fig. 5. Spectral characteristics of MOPA laser with full-power output of amplifier pump and different input power percentage of seed source pump
    Typical spectrum with full-power output of amplifier pump and seed source pump input power percentage of 10%~30%
    Fig. 6. Typical spectrum with full-power output of amplifier pump and seed source pump input power percentage of 10%~30%
    研究机构浙江大学清华大学天津大学台湾清华大学天津大学南安普顿大学纽约康宁公司波尔多大学长春理工大学(本文)
    技术类型脉冲连续
    优势能够在短时间内实现高峰值功率输出能够在长时间内连续出光,具有稳定的工作状态,光束质量好
    不足光脉冲输出状态不稳定,转换效率较低热效应强,需采取适当的冷却措施
    最大平均功率/W300.022284.3726450239945.9
    峰值功率/kW2512.287.591
    转换效率/%74.65621681974.12
    研究内容调整重复频率和泵浦功率来抑制非线性效应优化脉冲时间序列模拟ASE的动态变化皮秒YDFA非线性光谱展宽后的脉冲压缩有源光纤长度对峰值功率、SBS阈值、光-光转换效率的影响分析热诱导SBS增益展宽的有效SBS阈值减少光纤的声、光模式间的重叠大模场直径柔性YDF的参数优化种子激光器的泵浦功率对ASE现象和受激拉曼散射的影响
    应用领域高功率非线性波长转换同步脉冲泵浦技术低重复频率的高功率脉冲激光放大器脉冲压缩技术有源光纤最佳长度的确定提高SBS阈值提高SBS阈值高功率单片式MOPA激光器MOPA结构种子激光器泵浦功率范围的确定
    Table 1. Performance comparison of YDFL at home and abroad
    Xinyi HOU, Ling WU, Baoqun LI, Zixiong LI, Lei DU, Tianshu WANG. Output characteristics of 1 μm all-fiber MOPA structure laser[J]. Journal of Applied Optics, 2023, 44(4): 920
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