相关实验视频

Updated: May 1, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

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多功能生成和操纵相结构光束使用芯片上的子波长全息表面网格

Shuang Zheng1,2,3,4, Zhenyu Zhao1,2,3,4, Weifeng Zhang1,2,3,4

  • 1Radar Research Lab, School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
概括

我们开发了芯片上的全息波导结构,以产生和操纵相结构光束,从而实现微型光学系统. 这项技术通过在芯片上创建复杂的光模式,在光通信和捕捉中提供了多方面的应用.

关键词:
轨道角运动量 轨道角运动量阶段结构光束的光束.一个子波长格子网格.

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Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
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