Title :
OTDR in single-mode fibre at 1.55 ¿m using a semiconductor laser and PINFET receiver
Author :
Healey, P. ; Smith, David R.
Author_Institution :
British Telecom Research Laboratories, Ipswich, UK
Abstract :
Optical time domain reflectometry (OTDR) at a wavelength of 1.55 ¿m using a semiconductor laser source is reported for the first time. The apparatus uses a PINFET optical receiver and can detect the Rayleigh scatter signal over 30 km of single-mode fibre installed in duct.
Keywords :
optical fibres; photodetectors; semiconductor junction lasers; time-domain reflectometry; 1.55 microns wavelength; 30 km fibre; OTDR; PINFET receiver; Rayleigh scatter signal; optical fibre; optical time domain reflectometry; semiconductor laser; single-mode fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19820659