Title :
Magneto-optical fiber sensor based on magnetic fluid surrounded tilted fiber Bragg grating
Author :
Jie Zheng ; Xinyong Dong ; Li-Yang Shao ; Peng Zu ; Chi Chiu Chan ; Ying Cui ; Shum, Perry Ping
Author_Institution :
Inst. of Optoelectron. Technol., China Jiliang Univ., Hangzhou, China
Abstract :
A novel tilted fiber Bragg grating (TFBG)-based magnetic field sensor by incorporating magnetic fluid is proposed and experimentally demonstrated. It is based on the refractive index change of magnetic fluid with external magnetic field. Magnetic field strength measurement is successfully achieved within a range from 0 to 196 Gauss by monitoring extinction ratio of the TFBG´s cladding mode resonance, which is sensitive to surrounding refractive index.
Keywords :
Bragg gratings; fibre optic sensors; magnetic field measurement; magnetic fluids; magneto-optical sensors; optical fibre cladding; refractive index; TFBG; cladding mode resonance; extinction ratio monitoring; magnetic field strength measurement; magnetic fluid; magnetic flux density 0 G to 196 G; magnetooptical fiber sensor; refractive index; tilted fiber Bragg grating; Extinction ratio; Fiber gratings; Magnetic fields; Magnetic liquids; Magnetooptic effects; Optical fiber sensors; Refractive index; Magnetic fluids; Magneto-optical fiber sensors; Titlted fiber Bragg gratings (TFBGs);
Conference_Titel :
Advanced Infocomm Technology (ICAIT), 2013 6th International Conference on
Conference_Location :
Hsinchu
Print_ISBN :
978-1-4799-0464-8
DOI :
10.1109/ICAIT.2013.6621555
