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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 9 — Apr. 25, 2011
  • pp: 7937–7944

High sensitivity SMS fiber structure based refractometer – analysis and experiment

Qiang Wu, Yuliya Semenova, Pengfei Wang, and Gerald Farrell  »View Author Affiliations


Optics Express, Vol. 19, Issue 9, pp. 7937-7944 (2011)
http://dx.doi.org/10.1364/OE.19.007937


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Abstract

We have investigated the influence of multimode fiber core (MMFC) diameters and lengths on the sensitivity of an SMS fiber based refractometer. We show that the MMFC diameter has significant influence on the refractive index (RI) sensitivity but the length does not. A refractometer with a lower MMFC diameter has a higher sensitivity. Experimental investigations achieved a maximum sensitivity of 1815 nm/ RIU (refractive index unit) for a refractive index range from 1.342 to 1.437 for a refractometer with a core diameter of 80 μm. The experimental results fit well with the numerical simulation results.

© 2011 OSA

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 25, 2011
Revised Manuscript: February 28, 2011
Manuscript Accepted: March 7, 2011
Published: April 11, 2011

Citation
Qiang Wu, Yuliya Semenova, Pengfei Wang, and Gerald Farrell, "High sensitivity SMS fiber structure based refractometer–analysis and experiment," Opt. Express 19, 7937-7944 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-9-7937


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