Title :
Highly sensitive detection of fiber bending using 1-(μm-band mode-detection OTDR
Author :
Nakamura, A. ; Okamoto, K. ; Ogushi, I. ; Hanzawa, Nobutomo ; Katayama, Kengo ; Manabe, Takeshi
Author_Institution :
NTT Access Network Service Syst. Labs., Tsukuba, Japan
Abstract :
We propose the highly-sensitive detection of fiber bending with an OTDR-based technique that measures the higher-order mode of backscattered light with a 1-μm-band probe light, which is below the cut-off wavelength of standard single-mode fibers.
Keywords :
bending; optical fibre subscriber loops; optical fibre testing; optical time-domain reflectometry; backscattered light; fiber bending; higher-order mode; highly sensitive detection; mode-detection OTDR; optical time-domain reflectometry; single-mode fibers; Optical fiber cables; Optical fiber couplers; Optical fiber networks; Optical fiber sensors; Probes;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC