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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

13.4K
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

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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...
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相关实验视频

Updated: Jul 22, 2025

Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points
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Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points

Published on: March 2, 2011

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多色复杂的空间光调制,使用单个数字微镜装置.

Hengzhe Yan, Yuncong Sun, Yiqiao Lin

    Optics express
    |July 21, 2023
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    概括
    此摘要是机器生成的。

    本研究介绍了一种使用数字微镜装置 (DMD) 的新型多色空间光调制技术. 这种方法使复杂的光场在多个波长的同时操纵,用于先进的光学应用.

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    Optical Scatter Microscopy Based on Two-Dimensional Gabor Filters
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    相关实验视频

    Last Updated: Jul 22, 2025

    Patterned Photostimulation with Digital Micromirror Devices to Investigate Dendritic Integration Across Branch Points
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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 全息影像的使用方法.
    • 生物医学成像技术 生物医学成像技术

    背景情况:

    • 空间光调制器 (SLM) 对于操纵光场在诸如全息显示器和自适应光学等应用中至关重要.
    • 传统的SLM面临着物理限制,阻碍了同时进行多色光调制,这是许多领域非常需要的功能.

    研究的目的:

    • 开发一种使用单个二进制全息图进行多色空间复杂光场调制的新方法.
    • 克服传统SLM在实现同时进行多色操作方面的局限性.

    主要方法:

    • 采用了一种技术,将相邻的微镜像素结合到数字微镜设备 (DMD) 上的超级像素中.
    • 振幅和相调节是通过超像素内的内部像素组合单独控制的,实现相调节的动态范围超过2π单波长.

    主要成果:

    • 在2D和多个3D全息平面上演示了多色光调制.
    • 通过使用开发的技术,成功实现了双色Airy光束.
    • 扩展的相调节范围为独立的多波长光控制提供了额外的自由度.

    结论:

    • 开发的方法成功地将复杂的光调制能力扩展到多色模式中.
    • 这种技术为信息显示,光学成像和光学捕获等先进应用提供了有前途的途径.