1. European standard, “Calibration of optical time-domain reflectometers (OTDR)”, EN 61746 (2005).
2. Single-mode fiber OTDR: experiment and theory;Philen;IEEE Trans Microwave Theory Tech,1982
3. Distance scale calibration of optical time domain reflectometer using active intensity modulation;Terra;MAPAN,2014
4. European standard, “Optical fibers: part 1- measurement methods and test procedures Section22- length measurement”, EN 60793-1-22 (2001).
5. Accurate fiber length measurement using time-of-flight technique;Terra;J Opt Commun,2015