Fulltext

Multi-hydrogenated compounds monitoring in optical fibre manufacturing process by photoacoustic spectroscopy

Besson, J.-P ; Schilt, S. ; Sauser, F. ; Rochat, E. ; Hamel, P. ; Sandoz, F. ; Niklès, M. ; Thévenaz, L.

In: Applied Physics B, 2006, vol. 85, no. 2-3, p. 343-348

Ajouter à la liste personnelle
    Titre
    • Multi-hydrogenated compounds monitoring in optical fibre manufacturing process by photoacoustic spectroscopy
    Auteur
    • Besson, J.-P. Nanophotonics and Metrology Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
    • Schilt, S.. Nanophotonics and Metrology Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
    • Sauser, F.. Omnisens SA, Riond-Bosson 3, 1110, Morges, Switzerland
    • Rochat, E.. Omnisens SA, Riond-Bosson 3, 1110, Morges, Switzerland
    • Hamel, P.. Daetwyler Fiber Optics SA, Route de la Gare 70, 2017, Boudry, Switzerland
    • Sandoz, F.. Daetwyler Fiber Optics SA, Route de la Gare 70, 2017, Boudry, Switzerland
    • Niklès, M.. Omnisens SA, Riond-Bosson 3, 1110, Morges, Switzerland
    • Thévenaz, L.. Nanophotonics and Metrology Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
    Type de document
    • Postprint
    Classification
    • Physique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:310517
    Summary
    Sub-ppm hydrogen chloride (HCl) and water vapour (H2O) monitoring using photoacoustic spectroscopy in optical fibre manufacturing is reported. The development and performance of a sensor based on an acoustic resonant configuration is described, and on-site measurements are presented. Two DFB lasers emitting in the 1370nm and 1740nm range were used for the detection of H2O and HCl, respectively. A detection limit (defined for a SNR=3) of 60ppb for HCl and 40ppb for H2O was achieved. Contamination sources of the carrier gas used for the fibre preform manufacturing are identified and discussed