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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

12.9K
Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

6.8K
Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
6.8K
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

7.4K
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: May 22, 2025

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

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通过散射介质进行单像素复杂场成像.

Yining Hao, Wen Chen

    Optics letters
    |March 14, 2025
    PubMed
    概括
    此摘要是机器生成的。

    这项研究提出了一种新的方法,用于通过散射介质使用单像素检测进行高分辨率复杂场成像. 该技术有效地抑制了散射,使先进的光学应用成为可能.

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    相关实验视频

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    Published on: January 3, 2016

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    Single Molecule Fluorescence Microscopy on Planar Supported Bilayers
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    Single Molecule Fluorescence Microscopy on Planar Supported Bilayers

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 图像重建 图像的重建
    • 散射媒体成像 散射媒体成像

    背景情况:

    • 在光学中,相位检索至关重要,但受到分散介质的限制.
    • 现有的方法,如全息图像,难以通过散射进行复杂场图像.

    研究的目的:

    • 开发一种高分辨率复杂场成像技术,耐散射.
    • 通过散射介质实现需要振幅和相位信息的先进光学应用.

    主要方法:

    • 使用单像素检测来捕捉光强度.
    • 采用交替投影 (AP) 方法进行复杂的现场检索.
    • 整合动力和撤销,以提高收率和减少抽样.

    主要成果:

    • 证明了具有显著的散射抑制的高分辨率复杂场成像.
    • 实验验证检索复杂字段的质量.
    • 展示了集成的动量和消噪发动机的有效性.

    结论:

    • 拟议的单像素检测方法克服了复杂场成像中的散射限制.
    • 这种技术为通过散射介质进行成像提供了一个有希望的途径.
    • 在光学成像和相关科学领域有广泛应用的潜力.