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We demonstrate stable wavelength tunable inscription of polymer optical fiber Bragg gratings (FBGs). By straining the fiber during FBG inscription, we linearly tune the center wavelength over 7 nm with less than 1% strain. Above 1% strain, the tuning curve saturates and we show a maximum tuning of 12 nm with 2.25% strain. We use this inscription method to fabricate a dual-FBG strain sensor in a poly (methyl methacrylate) single-mode microstructured polymer optical fiber and demonstrate temperature compensated strain sensing around 850 nm.
Original languageEnglish
JournalI E E E Photonics Technology Letters
Volume24
Issue number5
Pages (from-to)401-403
ISSN1041-1135
DOIs
StatePublished - 2012
Peer-reviewedYes
CitationsWeb of Science® Times Cited: 36

Keywords

  • Polymer optical fiber, Temperature compensation, Strain sensing, Fiber Bragg grating
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