Polymeric slot waveguide interferometer for sensor applications | Zendy

Marianne Hiltunen | Zendy; Jussi Hiltunen | Zendy; Petri Stenberg | Zendy; Sanna Aikio | Zendy; Lauri Kurki | Zendy; Pasi Vahimaa | Zendy; Pentti Karioja | Zendy

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Polymeric slot waveguide interferometer for sensor applications

Author(s) -

Marianne Hiltunen,

Jussi Hiltunen,

Petri Stenberg,

Sanna Aikio,

Lauri Kurki,

Pasi Vahimaa,

Pentti Karioja

Publication year - 2014

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.007229

Subject(s) - interferometry , refractive index , optics , materials science , interference (communication) , wavelength , waveguide , polarization (electrochemistry) , optoelectronics , physics , telecommunications , computer science , chemistry , channel (broadcasting)

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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