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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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相关实验视频

Updated: Jul 12, 2025

Image-guided, Laser-based Fabrication of Vascular-derived Microfluidic Networks
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Image-guided, Laser-based Fabrication of Vascular-derived Microfluidic Networks

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基于超连续的超谱LiDAR用于精密激光扫描.

Pabitro Ray, David Salido-Monzú, Sandro L Camenzind

    Optics express
    |October 20, 2023
    PubMed
    概括

    这项研究引入了一种新的超频谱LiDAR系统,使用超连续频进行精确的3D绘图和材料识别. 它实现了用于遥感应用的亚毫米精度.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 遥感 遥感 遥感 遥感
    • 频谱学是一种光谱学.

    背景情况:

    • 超光谱LiDAR将3D几何绘图与光谱反射率相结合,用于先进的遥感.
    • 现有的方法为远程测量提供了有限的精度.
    • 自动点云细分对于数据分析至关重要.

    研究的目的:

    • 开发一种新的超光谱LiDAR系统,用于高精度的3D表面几何和光谱反射率映射.
    • 为了达到0.1mm以下的测量精度,在高达50m的范围内测量精度.
    • 为了在3D点云中实现自动化材料分类.

    主要方法:

    • 使用超连续 (SC) 激光源从780nm频率进行连贯扩展.
    • 在距离测量中使用差分相位延迟监测间模式节拍音符.
    • 使用0.16nm分辨率的CCD光谱仪获得反向散射光谱.

    主要成果:

    • 已证明在0.1毫米以下的测量精度,用于高达50米的扩散目标.
    • 与参考干扰仪相比,获得了大约10-5的相对精度.
    • 展示了使用线性支向量机在基于频谱的材料分类中的初步成功.

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    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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    Author Spotlight: Unveiling the Potential of VSFG Microscopy in Studying Mesoscopically Heterogeneous Self-Assembled Structures
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    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT

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    结论:

    • 拟议的超光谱LiDAR方法在精度和准确性方面提供了显著的改进.
    • 这项技术具有强大的潜力,用于集成高精度激光扫描和自动化材料分类.
    • 这些发现为更先进的遥感和3D绘图应用铺平了道路.