Optical voltage and electric field sensor based on the pockels e

Details Optical voltage and electric field sensor based on the pockels e Optical voltage and electric field sensor based on the pockels e

1996-01-11

1997-06-03

Nguyen, Vinh P.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

324117R, G01R 2900

Patent

active

056358318

ABSTRACT:
An optical voltage/electric field sensor includes a crystal having a refractive index distribution which depends on an electric field applied thereto, wires for leading the electric field onto the surface of the crystal, a detector to detect changes in the refractive index distribution, and a transparent material having a low extinction coefficient and dielectric constant surrounding the crystal. Such a sensor is particularly useful for measuring the voltage of high frequency dryers.

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patent: 4999570 (1991-03-01), Ehrler
patent: 5040882 (1991-08-01), Markle
patent: 5055770 (1991-10-01), Takahashi et al.

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