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高组合器效率和基于线性表面浮雕网格的自我调整的紧双面衍射波导.

Lingyi Wang, Yuxuan Zhao, Lijiang Zeng

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    概括

    这项研究引入了一种用于增强现实的新型双面格子波导,其效率比传统设计高四倍以上. 这一创新承诺更明亮,更清晰的AR体验与简化批量生产.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 材料科学 材料科学 材料科学
    • 增强现实技术 增强现实技术

    背景情况:

    • 使用表面浮雕格子的衍射波导是超薄增强现实 (AR) 设备的关键.
    • 传统的波导因组合器效率低而面临限制,阻碍AR性能.
    • 纳米印记技术为这些光学元件的大规模生产提供了一条道路.

    研究的目的:

    • 为AR应用开发一种新的双面表面浮雕格子波导,显著提高了组合器效率.
    • 为了提高内合效率并优化波导内的光利用.
    • 为了展示一种制造方法,使图像输出无扭曲和无色色偏差.

    主要方法:

    • 设计和模拟一个双面格子波导,其中包括一个双面内,两个单面旋转器和一个双面外.
    • 拟议的波导结构的实验性制造.
    • 波导性能的描述,包括组合器效率,视野和眼框.
    • 开发用于纳米印记的自行对齐平行格制造方法.

    主要成果:

    • 新型双面波导在特定视野和眼框条件下实现了4206尼特/毫米的中央组合器效率.
    • 性能超过传统衍射波导的四倍以上.
    • 拟议的制造方法确保了自我调整的格子,从而产生无扭曲和无色色偏差的图像输出.

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  • 模拟和实验验证了设计的有效性.

    • 结论:

    • 开发的双面格子波导为增强现实提供了相结合器效率的大幅提高.
    • 使用纳米印记技术的简化,自我调整的制造工艺适合大规模生产.
    • 这一进步对下一代高性能AR显示器具有重大潜力.