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相关概念视频

Total Internal Reflection Fluorescence Microscopy01:05

Total Internal Reflection Fluorescence Microscopy

Total internal reflection fluorescence microscopy or TIRF is an advanced microscopic technique used to visualize fluorophores in samples close to a solid surface with a higher refractive index, such as a glass coverslip. TIRF only allows fluorophores in proximity to the solid surface to be excited. When light from a medium with a lower refractive index (such as air) hits the glass coverslip at a critical angle, the light undergoes total internal reflection stead of passing through the glass.

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相关实验视频

Updated: May 17, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
12:22

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

Published on: August 4, 2018

集成的紧型光学波束发射器.

Xinlun Cai1, Jianwei Wang, Michael J Strain

  • 1Photonics Group, Merchant Venturers School of Engineering, University of Bristol, Bristol, UK.

Science (New York, N.Y.)
|October 23, 2012
PubMed
概括
此摘要是机器生成的。

研究人员开发了微小的芯片设备,可以精确地控制带有轨道角动量 (OAM) 的光束. 这些光发射器为小型化,高性能光子集成电路铺平了道路.

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Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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相关实验视频

Last Updated: May 17, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
12:22

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

Published on: August 4, 2018

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
10:52

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

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

科学领域:

  • 光子学和光学工程 光子学和光学工程
  • 集成光学 集成光学 集成光学
  • 量子信息科学 量子信息科学

背景情况:

  • 光学光束中的轨道角动量 (OAM) 能够实现先进的应用.
  • 微型化和集成对于实际的基于OAM的设备至关重要.
  • 光子集成电路 (PIC) 提供了增强的性能和功能.

研究的目的:

  • 为了演示集成的光学 emitters.
  • 为了实现高OAM的光控制提取到自由空间光束中.
  • 探索OAM发射商大规模整合的潜力.

主要方法:

  • 使用角格将从低声画廊模式 (WGMs) 到自由空间光束的光线合起来.
  • 设计和制造基于的小型光子设备.
  • 发射光束的实验性表征,以验证OAM属性.

主要成果:

  • 演示集成的光学 emitters的半径小于3.9微米.
  • 在发射光束中精确定义和可调节OAM的实验证实.
  • 成功制造集成阵列和同时发射多个光学.

结论:

  • 集成的光学 emitters 是可行的,并提供精确的OAM控制.
  • 展示的设备使OAM应用程序的微型化和增强功能成为可能.
  • 在CMOS兼容芯片上进行大规模集成的潜力为广泛应用打开了大门.