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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

13.1K
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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相关实验视频

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Near Infrared Optical Projection Tomography for Assessments of β-cell Mass Distribution in Diabetes Research
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通过近场多切片图解学进行计算光学切割.

Ziyang Hu, Yiqian Zhang, Andrew Maiden

    Optics letters
    |August 29, 2024
    PubMed
    概括

    我们开发了使用ptychography.com的厚样品的计算切断. 这种技术允许大视野3D相位成像,揭示了超出传统显微镜限制的结构.

    科学领域:

    • 光学显微镜是一种光学显微镜.
    • 在3D成像中使用3D成像.
    • 计算机成像成像技术

    背景情况:

    • 传统显微镜在厚样品的视野深度上受到限制.
    • 厚样本中的多重散射掩盖了内部结构.
    • 现有的方法难以对光学密度较大的材料进行大视野3D成像.

    研究的目的:

    • 为光学厚样品引入一种新的计算切割方法.
    • 为了使大视野的3D相位成像超出传统的深度限制.
    • 为了在厚样本中证明高轴分辨率,尽管有多次散射.

    主要方法:

    • 结合近场和多切片图形学用于计算切割.
    • 将该方法应用于具有不同性质的光学厚度样本.
    • 利用先进的算法重建3D相位信息.

    主要成果:

    • 实现了对样品的3D相位成像,比明亮场显微镜的深度更厚.
    • 在存在显著的多重散射时保持轴分辨率.
    • 成功揭示了以前隐藏的复杂内部结构.

    结论:

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    • 开发的方法克服了显微镜中厚样品的场深限制.
    • 这种技术为光密材料提供了前所未有的3D结构洞察力.
    • 这种方法在各种样本类型中是多功能和有效的.