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