Title :
Deformation independent FBG strain sensor based on speckle pattern processing
Author :
Rohollahnejad, Jalal ; Li Xia ; Yanli Ran ; Rui Cheng
Author_Institution :
Sch. of Opt. & Electron. Inf., Huazhong Univ. of Sci. & Technol., Wuhan, China
Abstract :
In this paper we demonstrate a vision based strain retrieving method for FBG sensor Bragg wavelength shift demodulation. We use noteworthy wavelength dependent speckle pattern spatial information as a fingerprint and implement content-based speckle pattern retrieval software.
Keywords :
Bragg gratings; content-based retrieval; fibre optic sensors; image retrieval; speckle; strain sensors; Bragg wavelength shift demodulation; content-based speckle pattern retrieval software; deformation independent FBG strain sensor; fiber Bragg gratings; speckle pattern processing; vision based strain retrieving method; wavelength dependent speckle pattern spatial information; Fiber gratings; Optical fiber communication; Optical fiber sensors; Optical fibers; Speckle; Strain; Content based Image retrieval; FBG; Fiber sensor;
Conference_Titel :
Optical Communications and Networks (ICOCN), 2015 14th International Conference on
Conference_Location :
Nanjing
DOI :
10.1109/ICOCN.2015.7203648
