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100% reflectivity Bragg reflectors produced in optical fibres by single excimer laser pulses

Archambault, J.L., Reekie, L. and Russell, P.St.J. (1993) 100% reflectivity Bragg reflectors produced in optical fibres by single excimer laser pulses Electronics Letters, 29, (5), pp. 453-455. (doi:10.1049/el:19930303).

Record type: Article

Abstract

It is shown for the first time that fibre gratings with reflectivities in excess of 99.8% and fractional bandwidths of 0.005 (7.5 nm or 970GHz at 1550nm) can be written by interferometric side exposure of a fibre core to a single 40mJ UV pulse of 20ns duration at 248nm. These highly efficient reflectors are formed by a new mechanism in which the core glass fuses, resulting in a very large periodic modulation of the refractive index. They are stable at temperatures as high as 800°C.

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Published date: 1993

Identifiers

Local EPrints ID: 78291
URI: http://eprints.soton.ac.uk/id/eprint/78291
ISSN: 0013-5194
PURE UUID: cb33bcea-bee1-4a9f-9b9f-cad592828cd7

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:25

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Contributors

Author: J.L. Archambault
Author: L. Reekie
Author: P.St.J. Russell

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