Hollow-core grating fiber

Hollow-core grating fiber

We propose a new type of hollow-core fiber where the propagation is ensured by a photoinduced self-pattern acting as a surface relief grating (SRG). The SRG is written by launching a suitable laser beam with proper polarization in a capillary glass fiber with the inner surface previously coated with...

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Veröffentlicht in:Optics communications 2012-02, Vol.285 (4), p.468-472
Hauptverfasser: Barillé, R., Tajalli, P., Roy, P., Ahmadi-kandjani, S., Kucharski, S., Ortyl, E.
Format: Artikel
Sprache:eng
Schlagworte:
Confinement
Diffraction gratings
Fibers
Gratings (spectra)
Laser beams
Thin films
Wave propagation
Wavelengths
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Beschreibung
Zusammenfassung:We propose a new type of hollow-core fiber where the propagation is ensured by a photoinduced self-pattern acting as a surface relief grating (SRG). The SRG is written by launching a suitable laser beam with proper polarization in a capillary glass fiber with the inner surface previously coated with an azopolymer thin film. Such a grating acts as a wavelength/angle dependant reflective mirror and enhances the confinement and the propagation of the light.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2011.10.009