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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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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: Jan 12, 2026

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
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Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

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没有横移的Split-Lohmann计算机生成全息图.

Jie Zhou, Shuyang Xie, Lei Jiang

    Optics letters
    |November 4, 2025
    PubMed
    概括

    一种新的无横移的Split-Lohmann计算机生成全息 (CGH) 方法消除了3D显示器中的文物. 这一进步为增强现实和虚拟现实系统提供了精确的实时全息图生成.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 计算机视觉 计算机视觉
    • 显示技术 显示技术

    背景情况:

    • 计算机生成全息 (CGH) 对于AR/VR中的现实 3D 显示至关重要.
    • 实时全息图生成面临着越来越复杂的场景计算挑战.
    • 拆分-洛曼CGH (SL-CGH) 降低了计算成本,但引入了诸如平面间错误注册之类的工件.

    研究的目的:

    • 开发一种新的CGH方法,克服SL-CGH的局限性.
    • 为了消除深度依赖的横向转移和波浪前沿倾斜在全息生成.
    • 为了在更深的深度范围内实现精确的实时3D重建.

    主要方法:

    • 引入一个没有横移的Split-Lohmann CGH (LSF-SL-CGH) 算法.
    • 减轻传统SL-CGH固有的波浪前方倾斜器件.
    • 在实时全息图生成中验证方法的性能.

    主要成果:

    • LSF-SL-CGH有效地消除了横向转移和波浪前倾斜器件.
    • 该方法实现了可靠的实时全息图生成.
    • 通过广泛的深度范围获得精确的3D重建.

    更多相关视频

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
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    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

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    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
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    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

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    相关实验视频

    Last Updated: Jan 12, 2026

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
    10:28

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

    Published on: July 5, 2016

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    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects
    10:16

    Digital Inline Holographic Microscopy DIHM of Weakly-scattering Subjects

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    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
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    Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution

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    结论:

    • 对于AR/VR应用,LSF-SL-CGH对传统的SL-CGH具有显著的改进.
    • 该方法提供了一个可行的解决方案,用于计算效率高且无工件的实时全息显示器.
    • 这项研究推动了高保真全息3D可视化的发展.