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在PET基板上的灵活的GaN基紫外线微光盘激光器.

Peng Gu, Shuai Yang, Lilong Ma

    Optics letters
    |August 1, 2023
    PubMed
    概括

    研究人员开发了一种基于化 (GaN) 的灵活微盘激光器,用于紫外线A (UVA) 应用. 这种新的灵活激光显示了机械感应的潜力,因为它在曲下可调节的波长.

    科学领域:

    • 光电学是指光电子产品.
    • 材料科学 材料科学 材料科学
    • 纳米技术 纳米技术

    背景情况:

    • 灵活的光电子产品在传统设备上具有优势,因为它可以在不同的工作环境中提高机械灵活性.
    • 基于化 (GaN) 的设备对于光电子应用至关重要,特别是在紫外线 (UV) 频谱中.
    • 微盘激光器提供高效的光束和发射,但在柔性基板上制造仍然具有挑战性.

    研究的目的:

    • 为了首次演示,一个灵活的基于GaN的微盘激光器在紫外线A (UVA) 范围内运行.
    • 为了研究柔性微盘激光器的性能特征,包括激光波长,线宽和值功率.
    • 通过分析其对机械应变的反应来探索灵活激光在传感应用中的潜力.

    主要方法:

    • 在柔性聚乙烯二甲 (PET) 基板上使用薄膜转移工艺制造基于GaN的微光盘激光器.
    • 采用激光起升 (LLO) 技术,以实现高效的材料转移和设备集成.
    • 放置分布式布拉格反射器 (DBR) 作为底部镜子,以增强光学限制和振荡强度.

    主要成果:

    • 成功演示了一种灵活的基于GaN的微盘激光器,在370.5nm发射,线宽窄0.15nm.
    • 达到了200kW/cm2的值功率密度,表明了高效的激光性能.

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  • 在不同的曲曲率下观察到激光发射波长的2纳米红移,证实其对机械应变的敏感性.

    • 结论:

    • 开发的基于GaN的灵活微盘激光器代表了灵活光电子技术的重大进步.
    • 该设备对机械曲的敏感性为灵活的机械传感领域的新型应用开辟了道路.
    • 这项工作为未来开发用于复杂环境的强大且可适应的光电子设备铺平了道路.