可调节反射聚焦的带有角分散功能的动态元表面

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Updated: May 3, 2026

Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System
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Yifei Fu, Xinyi He, Yujia Zang

    Optics express
    |June 14, 2025
    PubMed
    概括

    研究人员开发了一种动态金属,使用发生角度来控制介电元表面中的波面. 这种新的方法使可调节的焦距和持续聚焦成为可能,为紧的光学系统铺平了道路.

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    A parabola is a basic type of conic section that results from the intersection of a plane with a double-napped cone in a direction parallel to one of the cone's sides. This U-shaped curve has a distinctive reflective property: all incoming rays parallel to its axis of symmetry are directed toward a single point, known as the focus. This property is widely utilized in optical and communication technologies that require precise signal concentration.In analytic geometry, a parabola is defined as...
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