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Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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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Photoluminescence from Metal Nanostructures: Dependence on Size.

ACS nano·2025
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表面发射的激光会遇到金属表面.

Nir Shitrit1

  • 1School of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Be'er Sheva, 8410501, Israel. nshitrit@bgu.ac.il.

Light, science & applications
|January 31, 2024
PubMed
概括

将垂直空腔激光与元表面集成,可以在芯片上实现显微镜的高角度照明. 这种超紧的系统增强了生物光子学和芯片上的实验室设备中的高对比成像.

科学领域:

  • 光学和光子学 在光学和光子学.
  • 生物光子学 生物光子学
  • 显微镜的使用方法

背景情况:

  • 像全内反射和暗场成像这样的显微镜技术需要专门的照明.
  • 光学元件的芯片内集成对于小型化先进的成像系统至关重要.

研究的目的:

  • 为了证明垂直腔表面发射激光器 (VCSELs) 与元表面的集成.
  • 为了实现芯片上的高角度照明,用于先进的显微镜应用.

主要方法:

  • 制造和集成VCSEL与精确设计的超表面.
  • 生成的高角度照明模式的特征.
  • 该系统在全内反射和暗场显微镜设置中的应用.

主要成果:

  • 通过使用VCSEL-metasurface集成成功展示了芯片上的高角度光束成型.
  • 实现了用于高对比度成像的多功能照明功能.
  • 验证了系统在生物光子学和实验室芯片设备中的实用性.

结论:

  • 组合的VCSEL-metasurface系统提供了一个超紧且多功能的照明模块.

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  • 这项技术促进了生命科学领域的先进成像和集成光子设备的开发.