Exploiting multimode waveguides for pure fibre-based imaging

Tomáš Čižmár, Kishan Dholakia

Research output: Contribution to journalArticle

287 Citations (Scopus)

Abstract

There has been an immense drive in modern microscopy towards miniaturization and fibre-based technology. This has been necessitated by the need to access hostile or difficult environments in situ and in vivo. Strategies to date have included the use of specialist fibres and miniaturized scanning systems accompanied by ingenious microfabricated lenses. Here we present a novel approach for this field by utilizing disordered light within a standard multimode optical fibre for lensless microscopy and optical mode conversion. We demonstrate the modalities of bright- and dark-field imaging and scanning fluorescence microscopy at acquisition rates that allow observation of dynamic processes such as Brownian motion of mesoscopic particles. Furthermore, we show how such control can realize a new form of mode converter and generate various types of advanced light fields such as propagation-invariant beams and optical vortices. These may be useful for future fibre-based implementations of super-resolution or light-sheet microscopy.

Original languageEnglish
Article number1027
JournalNature communications
Volume3
DOIs
Publication statusPublished - 2012 Sep 17

Fingerprint

Microscopy
Waveguides
microscopy
waveguides
Imaging techniques
Light
Microscopic examination
fibers
Fibers
Miniaturization
Optical Fibers
Scanning
Fluorescence Microscopy
Lenses
scanning
Multimode fibers
Brownian movement
Fluorescence microscopy
miniaturization
Observation

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

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Exploiting multimode waveguides for pure fibre-based imaging. / Čižmár, Tomáš; Dholakia, Kishan.

In: Nature communications, Vol. 3, 1027, 17.09.2012.

Research output: Contribution to journalArticle

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