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相关概念视频

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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Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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相关实验视频

Updated: Jun 5, 2025

Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy
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Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy

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在同一像素中编码Mie,等离子体和衍射结构颜色.

Youngji Kim1, Jerome K Hyun1

  • 1Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, Republic of Korea.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
概括

这项研究引入了一种新的结构色彩设计,使用Mie,等离子和衍射效应来进行先进的数据存储和加密. 多机制像素可实现四个信息层,在特定的光学条件下可观看.

科学领域:

  • 光学和光子学 在光学和光子学.
  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术

背景情况:

  • 结构色彩设计提供可调节的光学特性.
  • 在单个像素中集成多个光学机制是一个挑战.
  • 现有的方法往往缺乏多层信息编码能力.

研究的目的:

  • 开发一个1D反射的多层结构色彩设计.
  • 将Mie,等离子和衍射光学机制集成到一个单个像素中.
  • 为了展示数据安全应用程序的多层信息编码和检索.

主要方法:

  • 使用TiOx纳米线和Ag薄膜制造金属电网格.
  • 利用偏振依赖的Mie和局部化的等离子共振来产生颜色.
  • 利用格子衍射和数值光圈控制来实现额外的颜色状态和信息检索.

主要成果:

  • 该设计显示了基于Mie共振,等离子体共振和衍射的不同颜色状态.
  • 颜色状态由事件光极化和客观镜头数值光圈调节.
  • 从一个像素阵列中成功编码和检索了四个不同的信息层.
关键词:
我的共振是我的共振衍射衍射的方法是:多级加密多级加密.塑体共振是一种结构色彩 结构色彩

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Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy
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相关实验视频

Last Updated: Jun 5, 2025

Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy
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Performing Spectroscopy on Plasmonic Nanoparticles with Transmission-Based Nomarski-Type Differential Interference Contrast Microscopy

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Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy
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Simultaneous Multicolor Imaging of Biological Structures with Fluorescence Photoactivation Localization Microscopy

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结论:

  • 集成的多机制结构色彩设计使多功能光学响应成为可能.
  • 该技术为高密度数据存储和加密提供了一个新的平台.
  • 这些发现为防伪技术和安全信息管理开辟了新的途径.