Chirped gratings produced in photosensitive optical fibres by fibre deformation during exposure

K Sugden*, I Bennion, A Molony, N J Copner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A technique for writing chirped-period gratings by UV exposure in photosensitive optical fibres is reported. Results are presented for gratings produced in boron-germania codoped fibres, hydrogen-loaded high-germania fibres, and hydrogen-loaded standard telecommunications fibres, with performance parameters ranging from 99% reflectivity with 7.5 nm bandwidth, to approximately 5% reflectivity over >17 nm bandwidth.

Original languageEnglish
Pages (from-to)440-442
Number of pages3
JournalElectronics letters
Volume30
Issue number5
DOIs
Publication statusPublished - 3 Mar 1994

Keywords

  • holographic gratings
  • optical fibres
  • reflectivity

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