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Optical fibre nanowire sensors and applications

Ding, Ming and Brambilla, Gilberto (2012) Optical fibre nanowire sensors and applications At NanoSciTech: Frontiers in Nanoscience, Nanotechnology and their Applications, India. 15 - 18 Feb 2012.

Record type: Conference or Workshop Item (Paper)


Optical fibre nanowires (OFN) have recently attracted increased attention because of their numerous applications in sensing and particle manipulation [1] and their extraordinary optical and mechanical properties, which include, amongst others:

biocompatibility: OFNs show good compatibility with cells/ biological matter as they are made from silica.

configurability/flexibility: OFN are manufactured stretching optical fibres, thus they maintain their original size at the extremities (fig. 1), allowing for prompt connection to any fiberised source/detector.

robustness: OFNs are extremely strong and have a conventional fibre pigtail at their extremity, thus can be handled with tools typical of the macroscopic world.
large evanescent fields: a considerable fraction of the transmitted power can propagate outside the OFN physical boundary when the OFN size is small, allowing for enhanced sensing and optical manipulation.

strong confinement: when OFNs are nanostructured and metal coated, light can be confined to 50-100 nm spot sizes, allowing for nanosensing and single nanoparticle trapping/manipulation.

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Published date: February 2012
Venue - Dates: NanoSciTech: Frontiers in Nanoscience, Nanotechnology and their Applications, India, 2012-02-15 - 2012-02-18
Organisations: Optoelectronics Research Centre


Local EPrints ID: 335188
PURE UUID: 411a8bbb-3598-4976-b4e6-107d1258f071

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Date deposited: 13 Mar 2012 11:30
Last modified: 18 Jul 2017 06:11

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Author: Ming Ding

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