Narrow bandwidth Bragg gratings imprinted in polymer optical fibers for different spectral windows


The production and characterization of narrow bandwidth fiber Bragg gratings (FBGs) in different spectral regions using polymer optical fibers (POFs) is reported. Narrow bandwidth FBGs are increasingly important for POF transmission systems, WDM technology and sensing applications. Long FBGs with resonance wavelength around 600-nm, 850-nm and 1550-nm in several types of polymer optical fibers were inscribed using a scanning technique with a short optical path. The technique allowed the inscription in relative short periods of time. The obtained 3-dB bandwidth varies from 0.22 down to 0.045 nm considering a Bragg grating length between 10 and 25-mm, respectively.

Uncontrolled Keywords: Bragg gratings, POF transmission devices, optical filters, polymer optical fiber
Publication ISSN: 0030-4018
Published Date: 2013-10-15
Authors: Marques, Carlos A.F.
Bilro, Lúcia B.
Alberto, Nélia J.
Webb, David J.
Nogueira, Rogério N.


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