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Title: Exploiting multimode waveguides for pure fibre-based imaging
Authors: Cizmar, Tomas
Dholakia, Kishan
Keywords: Optical physics
QC Physics
Issue Date: 28-Aug-2012
Citation: Cizmar , T & Dholakia , K 2012 , ' Exploiting multimode waveguides for pure fibre-based imaging ' Nature Communications , vol 3 , 1027 .
Abstract: There has been an immense drive in modern microscopy towards miniaturisation and fibre based technology. This has been necessitated by the need to access hostile or diffcult environments in-situ and in-vivo. Strategies to date have included the use of specialist fibres and miniaturised scanning systems accompanied by ingenious microfabricated lenses. We present a novel approach for this field by utilising disordered light within a standard multimode optical fibre for lensless microscopy and optical mode conversion. We demonstrate the modalities of bright-field and dark-field imaging and scanning fluorescence microscopy at acquisition rates allowing observation of dynamic processes such as Brownian motion of mesoscopic particles. Furthermore, we show how such control can realise 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.
Version: Publisher PDF
Description: We acknowledge support from the UK Engineering and Physical Science Research Council
Status: Peer reviewed
URI: http://hdl.handle.net/10023/3056
http://www.nature.com/ncomms/journal/v3/n8/full/ncomms2024.html
DOI: http://dx.doi.org/10.1038/ncomms2024
ISSN: 2041-1723
Type: Journal article
Rights: This work is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/
Appears in Collections:Physics & Astronomy Research
Medicine Research
University of St Andrews Research



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