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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2761–2763

Fiber magnetic-field sensor based on nanoparticle magnetic fluid and Fresnel reflection

Luan Xiong Chen, Xu Guang Huang, Jia Hu Zhu, Guang Can Li, and Sheng Lan  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2761-2763 (2011)
http://dx.doi.org/10.1364/OL.36.002761


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Abstract

A simple fiber sensor for magnetic field measurement based on nanoparticle Fe 3 O 4 magnetic fluid and relative Fresnel reflection is presented. The sensor includes only a light source, three couplers, two photodetectors, and two fiber sensing ends. Magnetic fields at different concentrations of magnetic fluid are measured. Magnetic fluid with high concentration can be used for the measurement of weak magnetic fields, while low concentration fluid is used for the measurement of strong magnetic fields. The temperature dependence of the sensor is also addressed.

© 2011 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.5710) Instrumentation, measurement, and metrology : Refraction
(160.4236) Materials : Nanomaterials

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 2, 2011
Revised Manuscript: June 7, 2011
Manuscript Accepted: June 8, 2011
Published: July 19, 2011

Citation
Luan Xiong Chen, Xu Guang Huang, Jia Hu Zhu, Guang Can Li, and Sheng Lan, "Fiber magnetic-field sensor based on nanoparticle magnetic fluid and Fresnel reflection," Opt. Lett. 36, 2761-2763 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2761

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