Detection of aromatic hydrocarbons in air and water by using xerogel layers coated on PCS fibers excited by an inclined collimated beam

0304036 - URE-Y 20020054 CZ eng A - Abstrakt
Cherif, K. - Hleli, S. - Abdelghani, A. - Jaffrezic-Renault, N. - Matějec, Vlastimil - Mrázek, Jan - Chomát, Miroslav - Kašík, Ivan
Detection of aromatic hydrocarbons in air and water by using xerogel layers coated on PCS fibers excited by an inclined collimated beam.
Prague: Czech Technical University, 2002. ISBN 80-01-02576-4. EUROSENSORS 2002. Book of Abstracts. - (Saneistr, J.; Ripka, P.). s. 219-220
[European Conference on Solid-State Transducers EUROSENSORS /16./. 15.09.2002-18.09.2002, Prague]
Grant CEP: GA ČR GA102/02/0780; GA AV ČR KSK2067107 Projekt 07/01:4074
Výzkumný záměr: CEZ:AV0Z2067918
Klíčová slova: optical fibres * optical sensors
Kód oboru RIV: JB - Senzory, čidla, měření a regulace

The paper deals with the detection of aromatic hydrocarbons in air or water which is based on refractive-index changes of detection a xerogel layer coused by its interaction with hydrocarbons. The laeyrs were applied on silica optical fibers excited by an inclined collimated beam. Sensitivity of the tetraethoxysilane- and methyltriethoxysilane- based xerogel layers to benzene and toluene are presented in the paper. The detection limits are about 1000 and 5 ppm for air and water, respectively.
Trvalý link: http://hdl.handle.net/11104/0114180