Polymeric slot waveguide interferometer for sensor applications

Marianne Hiltunen; Jussi Hiltunen; P Stenberg; Sanna Aikio; Lauri Kurki; P Vahimaa; P Karioja

doi:10.1364/OE.22.007229

Polymeric slot waveguide interferometer for sensor applications

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

University of Eastern Finland

Research output: Contribution to journal › Article › Scientific › peer-review

40 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 language	English
Pages (from-to)	7229-7237
Number of pages	8
Journal	Optics Express
Volume	22
Issue number	6
DOIs	https://doi.org/10.1364/OE.22.007229
Publication status	Published - 2014
MoE publication type	A1 Journal article-refereed

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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

PY - 2014

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N2 - 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

AB - 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

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DO - 10.1364/OE.22.007229

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JO - Optics Express

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Polymeric slot waveguide interferometer for sensor applications

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