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<p>To achieve uniform side-pumping of solar multi-disk laser and improve the output power, a&#xa0;solar concentrator system based on a&#xa0;parabolic mirror (<i>f</i> = 850 mm, sunlight-recieving area of 8 m<sup>2</sup>) and a&#xa0;circular compound parabolic concentrator (CPC) is proposed. Based on the compensation method, the uniform side-pumping of three Nd:YAG disks (Φ17 mm×2 mm) can be achieved. Ray tracing demonstrates that the absorbed pump power of the disk array is 1100 W, and the uniformity of the radial pump light distribution of each disk exceeds 92%. The laser output power and the collection efficiency reach 381 W and 47.6 W/m<sup>2</sup> in theory. It can provide a&#xa0;new idea for high power solar-pumped solar multi-disk lasers.</p>

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Uniform side-pumping of solar multi-disk laser

  • 期刊论文

  • 发表日期：

    2026年7月17日

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  • Hao Zhan,
  • Yan Liu,
  • Lanling Lan,
  • Jun Zhou,
  • Yuanyuan Zhang

摘要

To achieve uniform side-pumping of solar multi-disk laser and improve the output power, a solar concentrator system based on a parabolic mirror (f = 850 mm, sunlight-recieving area of 8 m2) and a circular compound parabolic concentrator (CPC) is proposed. Based on the compensation method, the uniform side-pumping of three Nd:YAG disks (Φ17 mm×2 mm) can be achieved. Ray tracing demonstrates that the absorbed pump power of the disk array is 1100 W, and the uniformity of the radial pump light distribution of each disk exceeds 92%. The laser output power and the collection efficiency reach 381 W and 47.6 W/m2 in theory. It can provide a new idea for high power solar-pumped solar multi-disk lasers.