| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Uusitalo, Sanna
University of Oulu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2021Evaluation of MEMS NIR Spectrometers for On-Farm Analysis of Raw Milk Compositioncitations
- 2012Polymeric dual-slab waveguide interferometer for biochemical sensing applicationscitations
- 2011Manipulation of optical field distribution in layered composite polymeric-inorganic waveguidescitations
- 2010Fabrication of optical inverted-rib waveguides using UV-imprintingcitations
- 2010PDMS surface modification in the application of waveguide claddings for evanescent field sensing
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article
Manipulation of optical field distribution in layered composite polymeric-inorganic waveguides
Abstract
We discuss the manipulation of optical field distribution in a low-refractive index polymeric waveguide by depositing a thin high refractive index Ta 2 O 5 film on top of the waveguide. According to microstructure studies, the sputtered Ta 2 O 5 thin films deposited on the polymer layer were very smooth with root mean square surface roughness value of 0.58 nm, had amorphous phase, and were optimal for integrated optical devices. Both computational and experimental optical studies suggest that the inorganic-polymeric composite waveguide design greatly increases the intensity distribution of the propagating mode at the surface. Consequently, the interaction of the optical field with the ambient surrounding medium is enhanced by a factor of about 1.7 in order of magnitude.