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矿纳米晶体在玻璃中的层次结构使稳定的连续波随机激光器成为可能.

Xinkuo Li1, Chenduan Chen1, Ke Sun2

  • 1State Key Laboratory of Extreme Photonics and Instrumentation, College of Optical Science and Engineering, College of Optical Science and Engineering, and School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.

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概括

研究人员开发了一种新方法,在玻璃中制造稳定的矿纳米晶体 (PNC),从而实现低值连续波 (CW) 随机激光. 这种节能工艺允许可调节的PNC和灵活的激光应用.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术 纳米技术
  • 光子学 是一个光子学.

背景情况:

  • 矿纳米晶 (PNCs) 提供增强的稳定性和应用程序,如随机激光器,当封装在玻璃.
  • 目前在玻璃中制备PNC的方法由于高温和较长的加工时间而耗费大量能量,并且没有实现连续波 (CW) 随机激光.

研究的目的:

  • 开发一种节能方法来调节玻璃中的矿纳米晶体 (PNC) 特性.
  • 为了在低加工温度和短时间内从玻璃中的PNC中实现稳定的连续波 (CW) 随机激光.

主要方法:

  • 在玻璃过渡温度以下的玻璃中调节PNC结构,光发光和激光性能.
  • 在矿领域内通过纳米相分离和离子交换生成可调节的PNC.
  • 通过控制的纳米相分离和结晶,创建PNCs-in-glass等级结构.

主要成果:

  • 在显著减少的加工温度和时间下,在玻璃中实现可调节的PNC,具有调制性质.
  • 工程PNC-in-glass等级结构显示大幅增加的散射.
  • 已证明稳定的CW单模随机激光,超低值为52.6mW/cm2.

结论:

  • 开发了一种节能方法,用于在玻璃中生产可调节的PNC,从而实现稳定的CW随机激光.
  • 通过将层次结构集成到聚甲基氧膜中,创建了灵活的CW随机激光器.
  • 展示了无斑点激光成像和动态全息显示的应用.