Kung, A.Budin, J.Thévenaz, LucRobert, P. A.2008-09-292008-09-292008-09-29199710.1364/OL.22.000090https://infoscience.epfl.ch/handle/20.500.14299/29863WOS:A1997WD12800008Optical fiber ring resonator characterization by optical time-domain reflectometrytext::journal::journal article::research article