Tuning, attenuating, and switching by controlled flexure of long-period fiber gratings
作者： Elias N. Glytsis , Emmanuel Anemogiannis , Gregory D. VanWiggeren , Thomas K. Gaylord , Donald D. Davis
DOI: 10.1364/OL.26.000061
关键词: Wavelength 、 Wavelength-division multiplexing 、 Plane (geometry) 、 Curvature 、 Axial symmetry 、 Refractive index 、 Attenuation 、 Materials science 、 Optics 、 Azimuth 、 Atomic and Molecular Physics, and Optics
摘要: Azimuthal variations in the refractive index that are inherent CO2-laser-induced long-period fiber gratings (LPFG’s) coupled to small controlled flexure of LPFG produce a wide variety transmission characteristics as function curvature. The particularly useful cases (1) wavelength tuning at constant attenuation and (2) variable (switching) demonstrated by flexing LPFG’s have been appropriately axially rotationally oriented relative plane
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