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人工晶体学报 ›› 2026, Vol. 55 ›› Issue (1): 1-12.DOI: 10.16553/j.cnki.issn1000-985x.2025.0128

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被动调Q掺Nd3+固体激光器的研究进展

彭张良1,2(), 孙贵华1(), 张庆礼1, 王小飞1, 罗建乔1   

  1. 1.中国科学院合肥物质科学研究院安徽光学精密机械研究所,安徽省光子器件与材料重点实验室,合肥 230031
    2.安徽大学物质科学与信息技术研究院,合肥 230601
  • 收稿日期:2025-06-16 出版日期:2026-01-20 发布日期:2026-02-05
  • 通信作者: 孙贵华
  • 作者简介:彭张良(1998—),男,安徽省人,硕士研究生。E-mail:18955698952@163.com
  • 基金资助:
    国家重点研发计划(2022YFB3605700)

Research Progress on Passive Q-Switched Nd3+-Doped Solid-State Lasers

PENG Zhangliang1,2(), SUN Guihua1(), ZHANG Qingli1, WANG Xiaofei1, LUO Jianqiao1   

  1. 1. Key Laboratory of Photonic Devices and Materials of Anhui Province,Anhui Institute of Optics and Fine Mechanics,Hefei Institutes of Physical Science,Chinese Academy of Sciences,Hefei 230031,China
    2. Institute of Physical Science and Information Technology,Anhui University,Hefei 230601,China
  • Received:2025-06-16 Online:2026-01-20 Published:2026-02-05
  • Contact: SUN Guihua

摘要: 三价钕离子(Nd3+)掺杂材料可以提供0.9~1.4 μm等谱域,基于Nd3+掺杂发展了大量的激光材料。0.9 μm波段附近通过倍频技术可将激光转换为蓝光,用于显示技术和生物成像;1.06 μm波段附近激光输出属于四能级系统,增益高,易于实现高功率输出,用于工业激光切割及激光手术等;1.4 μm波段附近处于人眼安全带且具有大气传输特性,广泛应用于高精度激光雷达、生物医学应用和精细加工领域。这些红外激光源的研究因各种潜在的应用而在过去几十年中引起了广泛关注。本文详细介绍了掺Nd3+激光晶体在氧化物及氟化物基质中的脉冲激光性能,同时分析传统可饱和吸收体和新兴二维可饱和吸收体的非线性光学特性及应用领域,最后总结了被动调Q掺Nd3+固体激光器在基质和可饱和吸收体材料及谐振腔的研究现状与发展趋势。相信本文将对被动调Q掺Nd3+固体激光器的研究提供更深的了解。

关键词: Nd3+掺杂; 被动调Q; 激光晶体; 可饱和吸收体; 固体激光器

Abstract: Trivalent neodymium ion (Nd3+) doped materials cover the spectral range of 0.9~1.4 μm. Based on Nd3+ doping, numerous laser materials have been developed. Near 0.9 μm band, frequency multiplier technology can convert the laser into blue light, which is used in display technology and biomedical imaging; near 1.06 μm band, the laser output belongs to a four-level system with high gain, making it easy to achieve high-power output, and being used for industrial laser cutting and laser surgery, and so on; near 1.4 μm band, it benefits from eye-safe properties, atmospheric transmission characteristics, gaining wide applications in high-precision lidar, biomedical applications and fine processing. Studies about infrared laser sources have been widely recognized over the past few decades due to their various potential applications. This review provides a detailed introduction to the pulsed laser performance of Nd3+-doped laser crystals in oxide and fluoride matrices. It also analyzes the nonlinear optical properties and application ranges of traditional saturable absorbers and emerging two-dimensional saturable absorbers. Finally, it summarizes the current research status and development trends of passive Q-switched Nd3+-doped solid-state lasers in relation to substrates and saturable absorbers and resonant cavities. We believe that this review will provide a deeper understanding of passive Q-switching Nd3+ solid lasers.

Key words: neodymium ion doping; passive Q-switching; laser crystal; saturable absorber; solid-state laser

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