| 摘要 |
A pipe section for coupling to one or more further pipe sections in order to form an elongate tubular, the pipe section comprising and optical fibre extending along the longitudinal direction of the pipe section, a waveguide disposed near one end of the pipe section and being in optical communication with the optical fibre, the waveguide being configured to guide light in a plane substantially perpendicular to the longitudinal axis of the pipe section. |
