A microwave photonic technique is presented to interrogate a 5 m-long fiber, containing 9 mm-long weak FBGs having 10 mm grating separation, used as a distributed sensor. Hot-spots as small as 20 cm have been measured with an accuracy of 0.5 cm
Titre
Weak fiber Bragg grating cascade sensor interrogation using microwave photonic filtering techniques
Publié dans
Advanced Photonics
Volume
OSA Technical Digest (online)
Pages
SeW1C.2
Présenté à
Optical Sensors, Barcelona, 2014
Date
2014
Editeur
Washington, D.C., OSA
Date de création de la notice
2014-09-16