A method based on phase-sensitive OTDR is proposed for distributed birefringence measurements along optical fibres. A high accuracy is experimentally demonstrated, enabling the characterisation of single-mode fibres with a minimum detectable birefringence of the order of 1e-7.
Jean-François Molinari, Son-Jonathan Pham-Ba
Alessandro Mapelli, Radoslav Marchevski, Alina Kleimenova