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2. Fiber-optic current sensor - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_current_sensor

   A fiber-optic current sensor (FOCS) is a device designed to measure direct current. Utilizing a single-ended optical fiber wrapped around the current conductor, [1] FOCS exploits the magneto-optic effect (Faraday effect). [2] The FOCS can measure uni- or bi-directional DC currents up to 600 kA, with an accuracy within ±0.1% of the measured value.

3. Fiber-optic sensor - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_sensor

   Fiber optic sensors are also particularly well suited for remote monitoring, and they can be interrogated 290 km away from the monitoring station using an optical fiber cable. [12] Brillouin scattering effects can also be used to detect strain and temperature over large distances (20–120 kilometers).

4. Kingfisher International - Wikipedia

   en.wikipedia.org/wiki/Kingfisher_International

   The company was co-founded in Melbourne in 1986. [8] as an international electronics trading firm, by Rosmin Robertson (née Jaffer) and Bruce Robertson.Bruce Robertson's technical involvement in fiber optics started 1980 - 1985, when he was a researcher at GEC's Hirst Research Centre in the UK, developing novel fiber optic cable designs, manufacturing processes, fiber optic sensors ...

5. Optical fiber - Wikipedia

   en.wikipedia.org/wiki/Optical_fiber

   Extrinsic fiber optic sensors use an optical fiber cable, normally a multi-mode one, to transmit modulated light from either a non-fiber optical sensor—or an electronic sensor connected to an optical transmitter. A major benefit of extrinsic sensors is their ability to reach otherwise inaccessible places.

6. Current sensing - Wikipedia

   en.wikipedia.org/wiki/Current_sensing

   Fiber optic current sensor, using an interferometer to measure the phase change in the light produced by a magnetic field. Rogowski coil, electrical device for measuring alternating current (AC) or high speed current pulses. Giant Magnetoresistance(GMR): Magnetic field sensor suitable for AC & DC Current with higher accuracy than Hall Effect ...

7. Optical time-domain reflectometer - Wikipedia

   en.wikipedia.org/wiki/Optical_time-domain...

   An optical time-domain reflectometer (OTDR) is an optoelectronic instrument used to characterize an optical fiber. It is the optical equivalent of an electronic time domain reflectometer which measures the impedance of the cable or transmission line under test. An OTDR injects a series of optical pulses into the fiber under test and extracts ...