Besson, Jean-PhilippeSchilt, StéphaneSauser, FlorianRochat, EtienneHamel, PhilippeSandoz, FrédéricNikles, MarcThévenaz, Luc2010-09-152010-09-152010-09-15200610.1364/OFS.2006.WB8https://infoscience.epfl.ch/handle/20.500.14299/53665Sub-ppm (HCl) and (H2O) monitoring using photoacoustic spectroscopy is reported in optical fibre manufacturing for the production of low-water-peak fibres. Contamination sources of the carrier gas used for fibre preforms manufacturing were identified and discussed.Lasers and laser optics : Semiconductor lasersSpectroscopy : SpectroscopyphotothermalOptical Sensor for the Detection of OH- Contamination during Optical Fibre Manufacturingtext::conference output::conference proceedings::conference paper