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相关概念视频

Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

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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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相关实验视频

Updated: Sep 11, 2025

Quantitative Optical Microscopy: Measurement of Cellular Biophysical Features with a Standard Optical Microscope
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超表面启用微型定量相位成像系统.

Wenyu Chen, Xiangyu Zhao, Hui Deng

    Optics letters
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    此摘要是机器生成的。

    我们开发了一个微型定量相位成像系统,使用了新的超表面. 这项技术使单次相位成像,先进的诊断和半导体检查成为可能.

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    A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins
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    A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins

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    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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    相关实验视频

    Last Updated: Sep 11, 2025

    Quantitative Optical Microscopy: Measurement of Cellular Biophysical Features with a Standard Optical Microscope
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    Quantitative Optical Microscopy: Measurement of Cellular Biophysical Features with a Standard Optical Microscope

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    A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins
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    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 地表表面技术的技术.
    • 定量阶段成像技术 定量阶段成像技术

    背景情况:

    • 量化相位成像 (QPI) 系统的小型化对于临床诊断和半导体晶圆检查至关重要.
    • 当前的QPI系统往往缺乏实时在线应用所需的紧性.
    • 超表面提供了一个有前途的途径,以缩小光学系统,因为他们有能力操纵光波面.

    研究的目的:

    • 提出和数值验证一个小型化的定量相位成像系统.
    • 为了证明使用超表面用于单次QPI的可行性.
    • 为了实现高数值光圈,以提高成像能力.

    主要方法:

    • 一个超表面的设计,由一个像素化的偏光阵列和多层薄膜组成.
    • 优化多层薄膜的空间频率依赖性传导率.
    • 数字模拟以验证相位成像能力和数值光圈.

    主要成果:

    • 一个基于地表的QPI系统被设计和模拟.
    • 该系统通过将空间频率转换为强度变化,实现一次性定量相位成像.
    • 实现了高达0.2的高数值孔径,并通过数值验证.

    结论:

    • 拟议的基于超表面的系统为高度小型化的定量相位成像提供了一条途径.
    • 这项技术在推进护理点诊断和线上半导体检查方面具有重大潜力.
    • 这项工作证明了超表面在开发紧的光学测量系统中的有效性.