| 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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Michel, Karine
Bureau de Recherches Géologiques et Minières
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Surface functionalization of a chalcogenide IR photonic sensor by means of a polymer membrane for water pollution remediationcitations
- 2022Improvement of the sensitivity of chalcogenide-based infrared sensors dedicated to the in situ detection of organic molecules in aquatic environment
- 2021Toward Chalcogenide Platform Infrared Sensor Dedicated to the In Situ Detection of Aromatic Hydrocarbons in Natural Waters via an Attenuated Total Reflection Spectroscopy Studycitations
- 2018Infrared-Sensor Based on Selenide Waveguide Devoted to Water Pollution
- 2018Infrared sulfide fibers for all-optical gas detectioncitations
- 2017Infrared sensor for water pollution and monitoringcitations
- 2017Theoretical study of an evanescent optical integrated sensor for multipurpose detection of gases and liquids in the Mid-Infraredcitations
- 2016Fiber evanescent wave spectroscopy based on IR fluorescent chalcogenide fiberscitations
- 2014108mAg tracer diffusion in HgI2–Ag2S–As2S3 glass systemcitations
- 2014108mAg tracer diffusion in HgI2–Ag2S–As2S3 glass systemcitations
- 2013Chalcogenide Glasses Developed for Optical Micro-sensor Devices
- 2013Study of the pseudo-ternary Ag2S-As2S3-HgI2 vitreous systemcitations
- 2013Study of the pseudo-ternary Ag2S-As2S3-HgI2 vitreous systemcitations
- 2012Evanescent wave optical micro-sensor based on chalcogenide glasscitations
- 2012Use of Raman spectroscopy to characterize and distinguish minerals of the alunite supergroup
- 2012Optical sensor based on chalcogenide glasses for IR detection of bio-chemical entities
- 2011In Situ Semi-Quantitative Analysis of Polluted Soils by Laser-Induced Breakdown Spectroscopy (LIBS)citations
- 2009Infrared monitoring of underground CO2 storage using chalcogenide glass fiberscitations
- 2009Rare-earth doped chalcogenide optical waveguide in near and mid-IR for optical potential application
- 2009Infrared optical sensor for CO2 detectioncitations
- 2004Optical analysis of infrared spectra recorded with tapered chalcogenide glass fiberscitations
- 2004Réalisation d'un capteur à fibre optique infrarouge pour la détection des polluants dans les eaux usées
- 2003Development of a chalcogenide glass fiber device for in situ pollutant detectioncitations
- 2002Infrared glass fibers for in-situ sensing, chemical and biochemical reactionscitations
Places of action
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conferencepaper
Infrared sensor for water pollution and monitoring
Abstract
International audience ; Development of Mid-infrared sensors for the detection of biochemical molecules is a challenge of great importance. Mid-infrared range (4000-400 cm-1) contains the absorption bands related to the vibrations of organic molecules (nitrates, hydrocarbons, pesticides, etc.). Chalcogenide glasses are an important class of amorphous materials appropriate for sensing applications. Indeed, they are mainly studied and used for their wide transparency in the infrared range (up to 15 μm for selenide glasses) and high refractive index (between 2 and 3). The aim of this study is to synthesize and characterize chalcogenide thin films for developing mid-IR optical waveguides. Therefore, two (GeSe2)100-x(Sb2Se3)x chalcogenide glasses, where x=10 and 50 were chosen for their good mid-IR transparency, high stability against crystallization and their refractive index contrast suitable for mid-IR waveguiding. Chalcogenide glasses were prepared using the conventional melting and quenching method and then used for RF magnetron sputtering deposition. Sputtered thin films were characterized in order to determine dispersion of refractive index in UV-Vis-NIR-MIR. Obtained results were used for the simulation of the optical design in mid-infrared (λ = 7.7 μm). Selenide ridge waveguide were prepared by RIE-ICP dry etching process. Single-mode propagation at 7.7 μm was observed. Optical losses of 0.7 ± 0.3 and 2.5 ± 0.1 dB.cm-1 were measured in near-infrared (λ = 1.55 μm) and midinfrared (λ = 7.7 μm), respectively. Achieved results are promising for the fabrication of an integrated optical sensor operating in the mid-infrared. © 2017 SPIE.