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Higher-order Micro-fiber Modes for Escherichia coli Manipulation Using Tapered Four-mode Fiber

  • Northwest University China

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A large diameter fiber-optics tweezers was proposed and demonstrated for trapping and delivering E. coli bacteria. The tweezers was formed by a tapered four-mode fiber (FMF) with the diameter of 8 μm, causing the resonance field of the high-order mode extension to the ambient for manipulating the micro-objects. The diameter of the FMF taper was much larger than that of previous nano-fiber device, making it work as a sturdy tweezers. At the wavelengths ranging from 1500 nm to 1600 nm, especially close to 1560 nm, the E. coli trapping and delivering along the fiber were observed apparently. The method of higher-order micro-fiber modes offers a new opportunity for better using optical manipulation at the single-cell level.

Original languageEnglish
Title of host publication2018 Asia Communications and Photonics Conference, ACP 2018
PublisherOSA - The Optical Society
ISBN (Electronic)9781538661581
DOIs
StatePublished - 28 Dec 2018
Externally publishedYes
Event2018 Asia Communications and Photonics Conference, ACP 2018 - Hangzhou, China
Duration: 26 Oct 201829 Oct 2018

Publication series

NameAsia Communications and Photonics Conference, ACP
Volume2018-October
ISSN (Print)2162-108X

Conference

Conference2018 Asia Communications and Photonics Conference, ACP 2018
Country/TerritoryChina
CityHangzhou
Period26/10/1829/10/18

Keywords

  • E. coli trapping and delivering
  • Higher-order micro-fiber modes
  • Optical manipulation

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