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首页> 外文期刊>Optical Materials >Third-order nonlinear optical response of Yb:YAG ceramics under femtosecond laser irradiation
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Third-order nonlinear optical response of Yb:YAG ceramics under femtosecond laser irradiation

机译：飞秒激光辐照下Yb：YAG陶瓷的三阶非线性光学响应

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摘要

Transparent ceramic laser materials, as an important alternate of traditional laser gain medium materials, have aroused much attention for their excellent performance. Here, we investigated the third-order nonlinear susceptibility of high quality transparent Ytterbium-doped Yttrium Aluminium Garnet (Yb:YAG) ceramics. Under an ultrafast femtosecond laser irradiation, we experimentally demonstrated the nonlinear optical limiting and self-focusing behaviors of Yb:YAG ceramic by Z-scan method at 800 nm. It was found that Yb:YAG ceramics exhibit a relatively small nonlinear refractive index (similar to 3.8 x 10(-20) m(2)/W) which exerts little dependence on the Yb3+ doping concentration and laser intensity. This work could illustrate the application potential of transparent ceramic under high-power condition and can also provide useful design guidelines for high power ceramic laser system.
机译：透明陶瓷激光材料作为传统激光增益介质材料的重要替代品，以其优异的性能引起了人们的广泛关注。在这里，我们研究了高质量透明掺-钇铝石榴石（Yb：YAG）陶瓷的三阶非线性磁化率。在超快速飞秒激光照射下，我们通过Z扫描法在800 nm处实验证明了Yb：YAG陶瓷的非线性光学限制和自聚焦行为。已经发现，Yb：YAG陶瓷表现出相对较小的非线性折射率（类似于3.8 x 10（-20）m（2）/ W），而对Yb3 +掺杂浓度和激光强度的依赖性很小。这项工作可以说明透明陶瓷在大功率条件下的应用潜力，也可以为大功率陶瓷激光器系统提供有用的设计指南。

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  • 来源
    《Optical Materials》 |2019年第12期|109435.1-109435.5|共5页
  • 作者

    Yi Jun; Lu Shunbin; Miao Lili; Xie Tengfei; Zhao Chujun; Li Jiang; Pan Yubai;

  • 作者单位

    Hunan Univ Minist Educ Key Lab Micro Nano Optoelect Devices Changsha 410082 Hunan Peoples R China|Hunan Univ Sch Phys & Elect Hunan Prov Key Lab Low Dimens Struct Phys & Devic Changsha 410082 Hunan Peoples R China;

    Shenzhen Univ Coll Optoelect Engn Minist Educ & Guangdong Prov SZU NUS Collaborat Innovat Ctr Optoelect Sci & Te Shenzhen 518060 Guangdong Peoples R China|Shenzhen Univ Coll Optoelect Engn Minist Educ & Guangdong Prov Key Lab Optoelect Devices & Syst Shenzhen 518060 Guangdong Peoples R China;

    Chinese Acad Sci Shanghai Inst Ceram Key Lab Transparent Optofunct Inorgan Mat Shanghai 200050 Peoples R China;

    Chinese Acad Sci Shanghai Inst Ceram Key Lab Transparent Optofunct Inorgan Mat Shanghai 200050 Peoples R China|Shanghai Normal Univ Dept Phys Shanghai 200234 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Yb:YAG ceramics; Third-order optical nonlinearity; Z-scan; Nonlinear refractive index;

    机译：Yb：YAG陶瓷;三阶光学非线性;Z扫描非线性折射率;

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