Polymeric slot waveguide interferometer for sensor applications

Marianne Hiltunen (Corresponding Author), Jussi Hiltunen, P Stenberg, Sanna Aikio, Lauri Kurki, P Vahimaa, P Karioja

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Abstract

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
Original languageEnglish
Pages (from-to)7229-7237
Number of pages8
JournalOptics Express
Volume22
Issue number6
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

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slots
interferometers
waveguides
sensors
refractivity
glucose
phase shift
platforms
interference
polymers
polarization
wavelengths
water
temperature

Cite this

Hiltunen, Marianne ; Hiltunen, Jussi ; Stenberg, P ; Aikio, Sanna ; Kurki, Lauri ; Vahimaa, P ; Karioja, P. / Polymeric slot waveguide interferometer for sensor applications. In: Optics Express. 2014 ; Vol. 22, No. 6. pp. 7229-7237.
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Polymeric slot waveguide interferometer for sensor applications. / Hiltunen, Marianne (Corresponding Author); Hiltunen, Jussi; Stenberg, P; Aikio, Sanna; Kurki, Lauri; Vahimaa, P; Karioja, P.

In: Optics Express, Vol. 22, No. 6, 2014, p. 7229-7237.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Hiltunen, Marianne

AU - Hiltunen, Jussi

AU - Stenberg, P

AU - Aikio, Sanna

AU - Kurki, Lauri

AU - Vahimaa, P

AU - Karioja, P

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