Title :
In-line fiber-optic Fabry-Perot ultrasound sensor formed by hollow-core photonic-crystal fiber
Author :
Rao, Yun-Jiang ; Wang, Wei ; Zhu, Tao ; Duan, Dewen
Author_Institution :
Key Lab. of Broadband Opt. Fiber Transm. & Commun. Networks, Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
An in-line fiber-optic Fabry-Perot sensor formed by hollow-core photonic crystal fiber is used for ultrasound detection. The experimental results show that the wavelength-pressure sensitivity is ~7.29 times 10-3 nm/MPa, which is about twice more than that of FBG.
Keywords :
Fabry-Perot interferometers; fibre optic sensors; holey fibres; photonic crystals; ultrasonic transducers; Fabry-Perot sensor; hollow-core fiber; in-line fiber-optic sensor; photonic crystal fiber; ultrasound sensor; wavelength-pressure sensitivity; Fabry-Perot; Fiber lasers; Laser modes; Optical fiber couplers; Optical fiber sensors; Optical interferometry; Optoelectronic and photonic sensors; Photonic crystal fibers; Ultrasonic imaging; Ultrasonic transducers;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5214271
