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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: Sep 13, 2025

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
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Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

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基于使用空间光调节器的动态波面调制的静态亚开口接干扰计.

Wenxin Jia, Kaiyong Zhang, Lumei Tan

    Optics express
    |July 30, 2025
    PubMed
    概括
    此摘要是机器生成的。

    这项研究引入了一种使用动态波面调制的静态低孔接干扰测量 (SSI) 方法. 这种技术消除了机械定位错误,用于高精度的复杂表面测试.

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    相关实验视频

    Last Updated: Sep 13, 2025

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

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    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

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    Published on: March 20, 2017

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    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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    科学领域:

    • 光学计量学是指光学计量学.
    • 表面计量学 表面计量学
    • 干涉测量是干涉测量的方法.

    背景情况:

    • 在复杂的表面测试中,低度接干扰测量 (SSI) 是至关重要的.
    • 机械定位错误限制了传统SSI方法的准确性.

    研究的目的:

    • 开发一种静态SSI方法来克服定位错误.
    • 为了提高全孔表面重建的准确性.

    主要方法:

    • 使用空间光调制器 (SLM) 进行动态波面调制.
    • 使用SLM和球形镜头生成倾斜的球形波.
    • 采用牛顿代来进行反校正,以提高波面质量.

    主要成果:

    • 在没有系统组件移动的情况下实现全开口接,抑制定位错误.
    • 与CGH方法相比,在高阶无球面上证明了高精度,其余波面误差为0.01λ RMS.

    结论:

    • 拟议的静态SSI方法有效消除了定位错误.
    • 该技术使复杂表面的高精度测试成为可能.