Nonintrusive electro-optic field sensor

Details Nonintrusive electro-optic field sensor Nonintrusive electro-optic field sensor

G - Physics

01

R

G01R 29/12 (2006.01) G01R 29/08 (2006.01)

Patent

CA 2048049

ABSTRACT Utilizing the property of electro-optic crystal which changes its index of refraction in the presence of electric field, such a crystal is placed inside the resonant cavity of a Fabry-Perot type interferometer. Laser light travelling through the cavity and the crystal experiences modified optical path length in the presence of electric field. The fringe pattern at the focal plane is observed and used to detect and measure the ambient electric field.

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