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Gratings in Structured Optical Fibres
Author(s) -
John Canning,
Nathaniel Groothoff,
Kevin Cook,
Cícero Martelli,
Alexandre de Almeida Prado Pohl,
John Holdsworth,
Somnath Bandyopadhyay,
Michael Stevenson
Publication year - 2008
Publication title -
laser chemistry
Language(s) - English
Resource type - Journals
eISSN - 1026-8014
pISSN - 0278-6273
DOI - 10.1155/2008/239417
Subject(s) - femtosecond , nanosecond , optical fiber , grating , optics , optoelectronics , materials science , core (optical fiber) , laser , refractive index , diffraction grating , structured light , physics
Grating writing in structured optical fibres and their properties and applications are reviewed. To date, most gratings have been written in a straightforward manner into structured fibres containing a photosensitive germanosilicate step-index core. However, gratings have also been written directly into single material, structured silica fibres and into air-clad cores using two and higher-photon processes with both UV and near IR pulsed (nanosecond-femtosecond) light. Given the intrinsic-added functionality possible within a structured optical fibre, structured fibre gratings offer further capabilities for sensors, diagnostics, lasers, and devices

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