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Optical fiber sensor based on a radio frequency Mach–Zehnder interferometer |
Optics Letters, Vol. 37, Issue 4, pp. 647-649 (2012)
http://dx.doi.org/10.1364/OL.37.000647
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Abstract
This Letter proposes an optical fiber radio frequency (RF) Mach–Zehnder interferometer (MZI) for sensing applications. An RF modulated laser source is injected into an optical fiber RF-MZI and collected by a photodiode. The interference pattern is observed in the RF domain by sweeping the frequency using a network analyzer. The proposed sensor has a linear response to applied temperature change. In addition, the sensitivity, observation frequency range, and the length of the sensing arm are discussed.
© 2012 Optical Society of America
OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.5625) Fiber optics and optical communications : Radio frequency photonics
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: October 11, 2011
Revised Manuscript: January 2, 2012
Manuscript Accepted: January 3, 2012
Published: February 13, 2012
Citation
Tao Wei, Jie Huang, Xinwei Lan, Qun Han, and Hai Xiao, "Optical fiber sensor based on a radio frequency Mach–Zehnder interferometer," Opt. Lett. 37, 647-649 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-4-647
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