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半导体膜微芯片激光激光器

Jakob Hirlinger-Alexander, Michael Scharwaechter, Franzisca Bader

    Optics express
    |December 19, 2025
    PubMed
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    我们开发了一种紧的半导体微芯片膜外腔表面发射激光器 (MECSEL). 这种激光器实现了超过1W的输出功率和创纪录的斜率效率 (~51.4%),具有出色的光束质量.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 半导体激光器半导体激光器
    • 材料科学 材料科学 材料科学

    背景情况:

    • 半导体激光器对于各种应用至关重要.
    • 紧的,高功率的激光源与优良的光束质量是有需求的.
    • 膜外腔表面发射激光器 (MECSEL) 为先进的激光设计提供了一个有前途的平台.

    研究的目的:

    • 为了展示一种新的半导体微芯片膜外腔表面发射激光器 (MECSEL).
    • 调查性能特征,包括输出功率,效率和光束质量.
    • 分析热特性和热透镜对功率的依赖.

    主要方法:

    • 制造一个微米薄的半导体增益区域膜,插入透明散热器之间.
    • 组装一个紧的,平面平行固态激光腔 (长度≤1毫米) 带有反射涂层.
    • 使用光纤合二极管激光模块 (808 nm) 的光学送和激光输出的表征.

    主要成果:

    • 证明的连续波输出功率在1123nm时超过1W.
    • 在MECSELs中实现了约51.4%的创纪录的斜坡效率.
    • 保持了优良的光束质量 (TEM00,M2<1.05) 并研究了极化特性.

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    结论:

    • 开发的微芯片MECSEL是一种高效和紧的激光源.
    • 这项技术提供可定制的发射波长和高功率输出,具有卓越的光束质量.
    • 系统的热特性得到了描述,为进一步优化提供了洞察力.