Gibson R, Selfridge R, Schultz S
Electric field sensor array from cavity resonance between optical D-fiber and multiple slab waveguides. [Journal Article]
Appl Opt 2009 Jul 1; 48(19):3695-701.
We develop an electric field sensor array based on optical fiber interrogation with electro-optic crystals to measure high energy electromagnetic pulses. D-shaped optical fiber provides the platform for resonant coupling with multiple electro-optic crystals, allowing an array of sensing points on a single strand of optical fiber. Because of its small size, flexibility, and dielectric composition, this sensor array is suitable for performing electric-field analysis at multiple points within an electronic device. Using lithium niobate and potassium titanyl phosphate crystals, the sensor array is sensitive to fields as low as 100 V/m.
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