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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 6 — Mar. 24, 2014
  • pp: 7229–7237

Polymeric slot waveguide interferometer for sensor applications

Marianne Hiltunen, Jussi Hiltunen, Petri Stenberg, Sanna Aikio, Lauri Kurki, Pasi Vahimaa, and Pentti Karioja  »View Author Affiliations

Optics Express, Vol. 22, Issue 6, pp. 7229-7237 (2014)

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A refractive index sensor based on slot waveguide Young interferometer was developed in this work. The interferometer was fabricated on a polymer platform and operates at a visible wavelength of 633 nm. The phase shift of the interference pattern was measured with various concentrations of glucose-water solutions, utilizing both TE and TM polarization states. The sensor was experimentally observed to detect a refractive index difference of 6.4 × 10−6 RIU. Furthermore, the slot Young interferometer was found to compensate for temperature variations. The results of this work demonstrate that high performance sensing capability can be obtained with a polymeric slot Young interferometer, which can be fabricated by a simple molding process.

© 2014 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(130.3120) Integrated optics : Integrated optics devices
(130.6010) Integrated optics : Sensors
(130.5460) Integrated optics : Polymer waveguides

ToC Category:

Original Manuscript: November 28, 2013
Revised Manuscript: March 11, 2014
Manuscript Accepted: March 11, 2014
Published: March 20, 2014

Marianne Hiltunen, Jussi Hiltunen, Petri Stenberg, Sanna Aikio, Lauri Kurki, Pasi Vahimaa, and Pentti Karioja, "Polymeric slot waveguide interferometer for sensor applications," Opt. Express 22, 7229-7237 (2014)

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