Long period gratings and rocking filters written with a CO2 laser in highly-birefringent boron-doped photonic crystal fibers for sensing applications

In this work, we demonstrate the possibility of fabricating short-length long-period gratings and rocking filters in highly birefringent Photonic Crystal Fiber using a CO2 laser. In our experiments both kinds of gratings were made in the same Boron doped highly birefringent PCF using similar exposur...

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Bibliographic Details
Published in:Optics communications 2012-02, Vol.285 (3), p.264-268
Main Authors: Carvalho, J.P., Anuszkiewicz, A., Statkiewicz-Barabach, G., Baptista, J.M., Frazão, O., Mergo, P., Santos, J.L., Urbanczyk, W.
Format: Article
Language:English
Subjects:
Carbon dioxide
Crystal fibers
Detection
Diffraction gratings
Gratings (spectra)
Lasers
Photonic crystals
Wavelengths
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Summary:In this work, we demonstrate the possibility of fabricating short-length long-period gratings and rocking filters in highly birefringent Photonic Crystal Fiber using a CO2 laser. In our experiments both kinds of gratings were made in the same Boron doped highly birefringent PCF using similar exposure parameters. We also present the sensing capabilities of both fabricated gratings to temperature, strain and hydrostatic pressure by interrogation of the wavelength shifts at different resonances.
ISSN:0030-4018
DOI:10.1016/j.optcom.2011.09.039