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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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Viegas, D.
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Topics
Publications (8/8 displayed)
- 2016Characterization of zinc oxide coated optical fiber long period gratings with improved refractive index sensing propertiescitations
- 2016Zinc oxide coated optical fiber long period gratings for sensing of volatile organic compoundscitations
- 2016Zinc oxide coated optical fiber long period gratings for sensing of volatile organic compounds
- 2016Fabrication and Characterization of Metal Oxide-Coated Long-Period Fiber Gratingscitations
- 2015Sensing Structure Based on Surface Plasmon Resonance in Chemically Etched Single Mode Optical Fibrescitations
- 2014Enhanced refractive index sensing characteristics of optical fibre long period grating coated with titanium dioxide thin filmscitations
- 2013Sensing Structure based on Surface Plasmonic Resonance in Single Mode Optical Fibers Chemically Etchedcitations
- 2012Simultaneous measurement of partial pressure of O-2 and CO2 with a hybrid interferometercitations
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article
Simultaneous measurement of partial pressure of O-2 and CO2 with a hybrid interferometer
Abstract
In this Letter, a hybrid interferometer for simultaneous measurement of the partial pressures of O-2 and CO2 mixtures is reported. The sensing head consists in the combination of two interferometric structures, one a Fabry-Perrot cavity and the other a modal interferometer. The intrinsic Fabry-Perot was formed by splicing a single mode fiber with a graded index fiber length that was then subjected to chemical etching creating an air cavity. The second interferometer is based on a splice of a pure silica tube in series with the Fabry-Perot. It was observed for a particular gas that its refractive index changes with pressure variation in a specific way, a characteristic that permitted the simultaneous measurement of partial pressures of CO2 and O-2 with rms deviations of similar to +/- 48.7 kPa and similar to +/- 20.1 kPa, respectively. (C) 2012 Optical Society of America