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Updated: Jul 16, 2025

An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
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用于沉浸式显示器和矢量成像的Zwitterion合液晶斑点减光器

Yihan Jin1, Nathan P Spiller1, Chao He2

  • 1Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK.

Light, science & applications
|September 21, 2023
PubMed
概括

一种新的电光技术使用合性阴性液晶 (LCs) 有效地减少了超过90%的激光光斑噪声. 这一进步显著提高了激光成像和显示应用的图像质量.

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Phase Contrast and Differential Interference Contrast Microscopy01:26

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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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