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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 23 — Nov. 9, 2009
  • pp: 20866–20871

A microfluidic refractometric sensor based on gratings in optical fibre microwires

Fei Xu, Gilberto Brambilla, and Yanqing Lu  »View Author Affiliations


Optics Express, Vol. 17, Issue 23, pp. 20866-20871 (2009)
http://dx.doi.org/10.1364/OE.17.020866


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Abstract

In this paper we investigate a novel method to manufacture gratings in optical fiber microwires and discuss their application to sensing. Gratings can be manufactured by wrapping an optical fiber microwire on a microstructured rod. This method avoids post-processing the thin optical fiber microwire and it has great flexibility: chirping can be realized by designing the air hole size and position in the microstructured rod. By exploiting the large evanescent field in an inner channel, microfluidic refractometric sensors with sensitivity > 103 nm/RIU can be achieved.

© 2009 OSA

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Sensors

History
Original Manuscript: September 14, 2009
Revised Manuscript: October 15, 2009
Manuscript Accepted: October 17, 2009
Published: October 30, 2009

Virtual Issues
Vol. 4, Iss. 13 Virtual Journal for Biomedical Optics

Citation
Fei Xu, Gilberto Brambilla, and Yanqing Lu, "A microfluidic refractometric sensor based on gratings in optical fibre microwires," Opt. Express 17, 20866-20871 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-23-20866


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