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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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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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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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通过单一多模光纤进行相位成像.

Quanzhi Li, Zhong Wen, Qilin Deng

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    此摘要是机器生成的。

    这项研究引入了一种使用单一多模光纤 (MMF) 的新相位成像显微镜技术. 该方法提供高对比度,无标签成像和生物标本的定量3D形状重建 in vivo.

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    科学领域:

    • 生物医学光学 生物医学光学
    • 显微镜的使用方法
    • 光纤光学是指光纤的使用.

    背景情况:

    • 阶段成像对于可视化未染色的生物样本至关重要.
    • 传统的方法在狭窄的空间上是有限的.
    • 多模纤维 (MMF) 显示出在体内内镜的潜力.

    研究的目的:

    • 开发一种使用单个MMF的新型相位成像显微镜技术.
    • 为了实现高对比度成像和定量形状重建.
    • 为了在狭窄的空间中实现无标签的体内相位成像.

    主要方法:

    • 频域调制用于相位成像.
    • 使用单一多模光纤 (MMF) 进行光输送和收集.
    • 对反射和相对照显微镜进行验证.

    主要成果:

    • 证明了各种样品 (微球,芯片,细胞) 的高对比成像.
    • 实现了量化表面形状重建,灵敏度<100 nm.
    • 从单个焦平面图像中提取3D信息.
    • 展示了增强的对比度和背景抑制.

    结论:

    • 这种基于MMF的新型相位成像技术提供了高对比度,无标签的可视化.
    • 可实现高灵敏度的定量3D形状重建.
    • 呈现了一个有前途的工具,用于最少的侵入性体内成像.