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相关实验视频

Updated: Jan 8, 2026

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

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基于相变材料的外腔激光器用于频率调制的连续波LiDAR.

Yining Liang, Miao Xv, Shenghong Xie

    Optics express
    |December 19, 2025
    PubMed
    概括

    我们开发了一种使用相变材料 (PCM) 的新型外部腔激光器 (ECL),用于快速,广泛的频率调节. 这项技术提高了光检测和距离应用的分辨率和速度.

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    科学领域:

    • 光子学和光学工程的工程.
    • 材料科学 材料科学 材料科学

    背景情况:

    • 外腔激光器 (ECL) 对于可调节的光源至关重要.
    • 换相材料 (PCM) 为设备应用提供独特的光学性能.

    研究的目的:

    • 提出和模拟一个新的ECL架构.
    • 为了利用三硫化 (Sb2S3) 的特性来快速调节频率.

    主要方法:

    • 波导布拉格格 (WBG) 与Sb2S3 PCM层的集成.
    • 模拟用于评估频率调范围和线宽.

    主要成果:

    • 实现了高达100 GHz的可调节频率范围.
    • 证明了约为41.06 kHz的狭窄输出激光线宽.
    • 利用了Sb2S3.3的快速和可逆相切换.

    结论:

    • 拟议的ECL设计可实现高效的广域频率调.
    • 在光探测和射程 (LiDAR) 中提高分辨率和距离速度的潜力.
    • 突出了Sb2S3 PCM在可调节激光系统中的实用性.

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