Nitrogen dioxide sensor based on optical fiber coated with a porous silica matrix incorporating lutetium bisphthalocyanine. Debliquy, M., Lahem, D., Bueno Martinez, A., Caucheteur, C., Bouvet, M., Olivier, M., & Mégret, P. In 05 December 2013. abstract bibtex In this work, we present the results of a sensor exploiting a coating consisting of lutetium bisphthalocyanine (LuPc2) dispersed in a porous silica matrix deposited by a sol-gel process. LuPc2 shows a gasochromic effect in the telecommunication wavelengths range. The absorption spectrum in this range strongly decreases in contact with NO2. The sensor consists then in a coating deposited on a single-mode silica fiber tip in order to form a Fabry-Pérot cavity. An amplitude change in the reflected spectrum is observed after contact with 1 ppm NO2 thus showing its sensitivity to that gas.
@inproceedings{ORBi-f002e554-1ddf-4caf-ae66-d05c8390b8e9,
AUTHOR = {Debliquy, Marc and Lahem, Driss and Bueno Martinez, Antonio and Caucheteur, Christophe and Bouvet, Marcel and Olivier, Marie-Georges and Mégret, Patrice},
TITLE = {Nitrogen dioxide sensor based on optical fiber coated with a porous silica matrix incorporating lutetium bisphthalocyanine},
LANGUAGE = {en},
YEAR = {05 December 2013},
SIZE = {5},
LOCATION = {Wellington, New Zealand},
ABSTRACT = {In this work, we present the results of a sensor exploiting a coating consisting of lutetium bisphthalocyanine (LuPc2) dispersed in a porous silica matrix deposited by a sol-gel process. LuPc2 shows a gasochromic effect in the telecommunication wavelengths range. The absorption spectrum in this range strongly decreases in contact with NO2. The sensor consists then in a coating deposited on a single-mode silica fiber tip in order to form a Fabry-Pérot cavity. An amplitude change in the reflected spectrum is observed after contact with 1 ppm NO2 thus showing its sensitivity to that gas.}
}
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