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Super-resolution Fluorescence Microscopy

Super-resolution Fluorescence Microscopy

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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Updated: May 15, 2025

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

纳米级物体的定位具有光奇点.

Thomas A Grant¹, Anton N Vetlugin², Eric Plum¹

¹Optoelectronics Research Centre, University of Southampton, Southampton, SO17 1BJ, UK.

Nanophotonics (Berlin, Germany)

|April 11, 2025

概括

此摘要是机器生成的。

光学定位测量通过使用深度学习和结构光实现了前所未有的原子级分辨率. 用含有光的相异常点来照亮纳米物体显著提高了测量精度,使次波长计量学成为可能.

关键词:

纳米光子学;光学计量学;光学测量学奇点的奇点是指奇点的奇点.超级振荡是一种超级振荡.

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Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

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Optical Trapping of Nanoparticles

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Published on: January 15, 2013

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Last Updated: May 15, 2025

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

Optical Trapping of Nanoparticles

Optical Trapping of Nanoparticles

Published on: January 15, 2013

科学领域:

光学是什么?光学是什么?光学是什么?
计量学计量学计量学
纳米技术纳米技术

背景情况:

最近的进展表明,在使用深度学习和结构光的光学定位中,原子尺度的分辨率.
拓结构光,特别是具有相异常的光,具有独特的散射特性.

研究的目的:

解释使用结构光的光学定位增强精度背后的基本原则.
为了研究阶段奇点在改善纳米物体计量学费舍尔信息中的作用.

主要方法:

分析由纳米物体散射的拓结构光的衍射模式.
深度学习应用于单次光学定位测量.
使用平面波对照光与相异常的费舍尔信息内容的比较.

主要成果:

对象的位置变化改变了基于事件场的振幅和相位的空间导数的衍射模式.
阶段奇点导致费舍尔信息的数量增加,尽管强度较低.
对衍射模式的深度学习分析能够实现前所未有的原子尺度测量分辨率.

结论:

降落光中的相位奇点对于在计量学中实现深度亚波长精度至关重要.
基于奇点的计量学提供了一个基本的途径,以提高光学测量的分辨率.
这些发现为开发和使用基于奇点的光学测量技术提供了强烈的动力.