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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 8 — Apr. 15, 2012
  • pp: 1373–1375

Photonic crystal fiber tip interferometer for refractive index sensing

Karolina Mileńko, Dora Juan Juan Hu, Perry Ping Shum, Taishi Zhang, Jun Long Lim, Yixin Wang, Tomasz R. Woliński, Huifeng Wei, and Weijun Tong  »View Author Affiliations


Optics Letters, Vol. 37, Issue 8, pp. 1373-1375 (2012)
http://dx.doi.org/10.1364/OL.37.001373


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Abstract

In this paper we present an interferometer based on photonic crystal fiber (PCF) tip ended with a solid silica-sphere for refractive index sensing. The sensor is fabricated by splicing one end of the holey PCF to a single mode fiber (SMF) and applying arc at the other end to form a solid sphere. The sensor has been experimentally tested for refractive index and temperature sensing by monitoring its wavelength shift. Measurement results show that the sensor has the resolution of the order of 8.7×104 over the refractive index range of 1.33–1.40, and temperature sensitivity of the order of 10pm/°C in the range of 20–100 °C.

© 2012 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 18, 2011
Revised Manuscript: January 19, 2012
Manuscript Accepted: February 3, 2012
Published: April 12, 2012

Citation
Karolina Mileńko, Dora Juan Juan Hu, Perry Ping Shum, Taishi Zhang, Jun Long Lim, Yixin Wang, Tomasz R. Woliński, Huifeng Wei, and Weijun Tong, "Photonic crystal fiber tip interferometer for refractive index sensing," Opt. Lett. 37, 1373-1375 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-8-1373

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