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Updated: Jan 18, 2026

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
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在可见中自由变化的高度的元表面使用灰度刻法.

Daniel N Shanks1, Tobias Wenger1, Richard E Muller1

  • 1Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, United States.

Nano letters
|September 11, 2025
PubMed
概括

研究人员开发了一种用于介电元表面的新制造方法,可以精确控制特征高度. 这一进步允许独立调节相位和分散,这对于先进的光学应用至关重要.

关键词:
冠状动脉图学 冠状动脉图学光光学是一种光光学.太阳系外行星是外行星.灰度刻画的灰度刻画是灰度刻画的形式.metasurfaces 是一个地表.两极分化是一种极化.

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Methods of Obtaining Topography01:25

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Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
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