Sub-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.
Hatice Altug, Felix Ulrich Richter, Andreas Tittl, Aurélian Michel John-Herpin
Thomas Rizzo, Ahmed Ben Faleh, Stephan Warnke
Ivo Furno, Alan Howling, Alexandra Waskow, Lorenzo Ibba