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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

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis
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High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis

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减少色彩对焦测量的倾斜误差:基于伪Voigt函数的峰值提取算法.

Fengshuang Liang, Jiafu Li, Mingyang Wu

    Optics express
    |July 30, 2025
    PubMed
    概括

    一种新方法通过补偿不对称的光谱对焦信号 (SCS) 来精确测量使用色彩对焦测量 (CCM) 的倾斜表面. 这提高了复杂表面造型的精度.

    科学领域:

    • 光学计量学是指光学计量学.
    • 表面表征表征表征的表征表征.
    • 信号处理 信号处理

    背景情况:

    • 染色共聚焦测量 (CCM) 将光谱信号转换为位置数据.
    • 倾斜的表面会扭曲CCM信号,导致不对称性和测量错误.
    • 现有的峰值提取方法在不对称信号上失败,降低了准确性.

    研究的目的:

    • 开发一种可靠的方法,用于在CCM中从不对称的光谱共聚焦信号 (SCS) 中准确地提取峰值.
    • 分析倾斜角对CCM信号扭曲和测量误差的影响.
    • 为了提高CCM的可靠性,用于复杂和倾斜的表面测量.

    主要方法:

    • 开发了CCM的光学传输模型,考虑倾斜角度.
    • 提出了一个不对称的信号错误补偿方法,使用修改后的伪Voigt函数.
    • 集成的缓冲扰动,不对称的参数,以及曲线适配的指数式术语.

    主要成果:

    • 拟议的方法准确地适应不对称的SCS,并提取峰值波长.
    • 与传统方法相比,已证明具有更高的适用性 (R2和RMSE).
    • 实现了对倾斜角度的最小误差依赖,在10°时稳定在60nm以下.

    更多相关视频

    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
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    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon

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    Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging
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    Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging

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    相关实验视频

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    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon
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    High-Accuracy Correction of 3D Chromatic Shifts in the Age of Super-Resolution Biological Imaging Using Chromagnon

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    Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging
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    Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging

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    结论:

    • 这种新的补偿方法显著提高了CCM对倾斜表面的准确性和稳定性.
    • 在10°倾斜时,高斯安装性能优于77.8%,减少了位置误差.
    • 为复杂的表面应用中高精度测量提供了可行的解决方案.