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High reflectivity and narrow bandwidth fibre gratings written by a single excimer pulse

J.-L.Archambault, L.Reekie and P.St.J.Russell

Abstract

The first demonstration is reported of highly reflecting fibre Bragg gratings written holographically by a single 20ns excimer laser pulse; reflection efficiencies of 65% combined with 1nm bandwidths at 1550nm have been obtained. Single pulse gratings with FWHM bandwidths of 0.05nm (6GHz) have also been produced, to the authors' knowledge the narrowest reported to date.


Electronics Letters (1993) Vol.29(1) pp.28-29

doi: 10.1049/el:19930018

Southampton ePrint id: 78304

 

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