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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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Bucci, Davide
Grenoble Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2022New generation of optical sensors: Fluorescent architecture channel waveguide / diffraction grating developed by sol-gel processing
- 2018Optofluidic Integrated Sensor on Glass for Harsh Environment Measurements: Case of Plutonium(VI) in Nitric Acid
- 2018Opto-electrical simulation of III-V nanowire based tandem solar cells on Sicitations
- 2017Cost effective laser structuration of optical waveguides on thin glass interposer
- 2016Packaged integrated opto-fluidic solution for harmful fluid analysiscitations
- 2013Glass integrated nanochannel waveguide for concentration measurementscitations
- 20121.55 μm hybrid waveguide laser made by ion-exchange and wafer bondingcitations
- 2006Realization of a pump/signal duplexer using periodically segmented waveguide in integrated optics on glass
Places of action
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conferencepaper
Glass integrated nanochannel waveguide for concentration measurements
Abstract
We present a new integrated optical sensor for absorption spectroscopy in a hostile environment, based on a nanochannel waveguide structure in glass. The nanochannel waveguide is made by bonding two ion-exchanged borosilicate glass wafers, one of them being etched by reactive ion etching to create a 100 nm deep fluidic channel. Typical fluid/light interaction factors of 2.3 % can be achieved inside a 7.4 pL volume of fluid, over a 550 nm bandwidth, surmounting evanescent wave sensors in terms of confinement efficiency and allowing spectrometric measurements. Absorption measurements have been performed on hexahydrate neodymium nitrate in nitric acid solutions of various concentrations leading to a minimum detectable absorption coefficient of 0.57 cm-1, which can be further decreased by implementing low bending-loss spiral-like nanochannel waveguides.