Abstract
We present what to our knowledge is a novel optical
electric-power-sensing system that uses a cascade of a Faraday cell and
a Pockels cell. According to Jones-matrix analysis, the
electric-power information is contained in the intensity of the
emerging light. An instantaneous ac electric-power signal has been
observed in real time, and the active power has been measured in the
0–1-kW range. The experimental results are in good agreement with
the theoretical analysis and prove the feasibility of the optical
sensing system.
© 2001 Optical Society of America
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