Title :
Modelling the bandwidth behaviour of fibre Bragg gratings excited by low-frequency acoustic waves
Author :
De Almeida Prado Pohl, Alexandre ; da Silva, Ricardo Ezequiel ; Ruggieri Franco, Marcos Antonio ; de Tarso Neves, Paulo ; Bartelt, Hartmut
Author_Institution :
Fed. Univ. of Technol.- Parana, Curitiba, Brazil
Abstract :
A model is presented to explain the dynamically induced bandwidth increase of fibre Bragg grating spectra, when those are excited by acoustic waves at low frequencies. The approach considers the existence of both flexural and longitudinal waves propagating simultaneously in the fibre.
Keywords :
Bragg gratings; acoustic waves; acousto-optical effects; elastic waves; optical fibres; fibre Bragg gratings; flexural waves; longitudinal waves; low-frequency acoustic waves; Acoustic waves; Bandwidth; Fiber gratings; Modulation; Optical fibers; Strain; acoustic waves; acousto-optic effect; fibre Bragg gratings;
Conference_Titel :
Transparent Optical Networks (ICTON), 2013 15th International Conference on
Conference_Location :
Cartagena
DOI :
10.1109/ICTON.2013.6603004
