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Long-period grating fabricated by periodically tapering standard single-mode fiber
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2008 (English)In: Applied Optics, ISSN 0003-6935, E-ISSN 1539-4522, Vol. 47, no 10, 1549-1552 p.Article in journal (Refereed) Published
Abstract [en]

We fabricated an asymmetric long-period grating (LPG) by periodically tapering a section of standard single-mode fiber using a resistive filament heating. The LPG exhibits large peak transmission attenuation of -30.31 dB with only 22 periods in a 1.0 cm long optical fiber and possesses unique characteristics for sensing applications. The bending and strain sensitivities are 1.74 nm m and 1.11 pm/mu epsilon, respectively. The polarization dependent loss is large, up to 11.65 dB, which is caused by an asymmetric index profile in the cross section of the tapered LPG.

Place, publisher, year, edition, pages
2008. Vol. 47, no 10, 1549-1552 p.
URN: urn:nbn:se:kth:diva-17480ISI: 000255345400042OAI: diva2:335524
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2013-11-19Bibliographically approved

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He, Sailing
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