Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/40774
Title: Multi-parameter sensor using fiber in-line MZ interferometer embedded in fiber Bragg grating
Authors: Liao, C
Wang, Y
Wang, D 
Yang, M
Keywords: Fiber Bragg gratings
Interferometers
Sensors
Mach-Zehnder interferometer
Refractive index
Fiber optics sensors
Issue Date: 2010
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2010, v. 7653, 765310 How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: We propose an ultra compact optical fiber sensor integrating a Mach-Zehnder interferometer (MZI) in fiber Bragg grating (FBG) for simultaneous refractive index (RI) and temperature measurement. By use of the resonant wavelength of the FBG and the interference dip of the MZI, the RI and temperature of the surrounding medium can be unambiguously determined. The interesting properties of the sensor include good operation linearity, extremely high RI sensitivity up to ~9148 nm/RIU (RI unit) in the RI range between 1.30 and 1.325 and precise sensing location, determined by the MZI cavity created.
Description: Fourth European Workshop on Optical Fibre Sensors, Portugal, 8-10 September 2010
URI: http://hdl.handle.net/10397/40774
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.865566
Appears in Collections:Conference Paper

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