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阶段过渡调制的纤维形随机激光器.

Ran Zhu, Junhua Tong, Xiaoyu Shi

    Optics express
    |August 13, 2025
    PubMed
    概括

    研究人员使用相位过渡水凝开发了一种灵活的随机激光. 这种新型设备允许在有方向发射的不连贯和连贯随机激光模式之间进行可逆切换.

    科学领域:

    • 光学和光学工程的光学和光学工程.
    • 材料科学是一种材料科学.
    • 软物质物理学 软物质物理学

    背景情况:

    • 随机激光器具有独特的光发射特性,但往往缺乏模式调整性和方向控制.
    • 开发灵活和可切换的随机激光器对于先进的光子应用至关重要.

    研究的目的:

    • 提出和演示一个纤维形状的随机激光利用相位过渡水凝.
    • 在灵活的随机激光器中实现可切换激光模式 (不连贯和连贯) 和定向发射.

    主要方法:

    • 使用相位过渡水凝制造纤维形随机激光器.
    • 研究水凝的相位变化及其对光散射和光学反的影响.
    • 分析分子结构变化和PFT (孔隙形成理论) 分析,用于洞穴长度计算.
    • 由于纤维几何学的排放角性质的表征.

    主要成果:

    • 成功展示了一种灵活的,纤维状的随机激光器.
    • 通过改变水凝相位状态,实现了不连贯和连贯的随机激光模式之间的可逆切换.
    • 由于纤维几何形状,确认的定向辐射仅限于大约20度.
    • 通过分子结构分析和空腔长度计算,阐明了开关机制.

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    结论:

    • 拟议的基于水凝的阶段过渡随机激光提供可切换模式和定向发射.
    • 这项技术在高质量光源,信息安全和超敏感传感器方面具有潜在的应用.
    • 这项研究为设计新型多功能随机激光器提供了基础.