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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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A Protocol for Real-time 3D Single Particle Tracking
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非线性对焦定位器用于微米尺度目标对齐.

J Delgado-Aguillón, C Ruiz, M Rosete-Aguilar

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    概括
    此摘要是机器生成的。

    这项研究引入了一种具有微米级精度的新型目标定位器系统. 它的非线性检测方案提高了激光微制造和等离子加速器应用的灵敏度.

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    科学领域:

    • 光学和光子学 在光学和光子学.
    • 精密工程 精密工程是指精密的工程.
    • 激光技术 激光技术 激光技术

    背景情况:

    • 准确的目标定位对于先进的科学应用至关重要.
    • 现有系统在灵敏度,准确性或对齐复杂性方面往往面临限制.

    研究的目的:

    • 提出一种具有高灵敏度和精度的新型目标定位系统.
    • 展示一个可用于微制造和激光驱动等离子加速器的可行系统.

    主要方法:

    • 使用一种非线性检测方案,在1550 nm的Si-光二极管和CMOS传感器中吸收两个光子.
    • 采用了对焦配置,以方便对准和倾斜耐受性,消除了需要针孔孔的需求.

    主要成果:

    • 在聚焦平面内定位粗的目标表面时达到微米级的精度.
    • 已证明高精度高达5微米,受焦扫描步骤大小的限制.
    • 由于非线性检测过程,系统表现出高灵敏度.

    结论:

    • 新型目标定位器系统在精度和灵敏度方面取得了显著的进步.
    • 潜在的应用包括激光微制造和高重复率激光驱动的等离子加速器.
    • 该系统的设计可以适应相机和其他光谱范围.