An Electro-Optic Sensor for Measurement of Intensive DC Electric Field

A lithium niobate (LN) integrated electro-optic (EO) sensor incorporated with a rotating shielding electrode has been designed, fabricated and experimentally demonstrated for measurement of intensive direct current (DC) electric field. As only the shielding electrode is rotated, there is no optical...

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Bibliographic Details
Published in:IEEE photonics journal 2022-04, Vol.14 (2), p.1-7
Main Authors: Zhang, Jiahong, Chen, Fushen
Format: Article
Language:English
Subjects:
Correlation coefficients
DC electric field measurement
Direct current
Electric fields
Electrodes
EO effect
field-mill
integrated EO sensor
Lithium niobate
Lithium niobates
Optical fiber sensors
Optical fibers
Optical refraction
Optical sensors
Optical variables control
Sensors
Shielding
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Summary:A lithium niobate (LN) integrated electro-optic (EO) sensor incorporated with a rotating shielding electrode has been designed, fabricated and experimentally demonstrated for measurement of intensive direct current (DC) electric field. As only the shielding electrode is rotated, there is no optical fiber rotation connection problem. Experimental results reveal that the sensor can be used to detect the DC electric field from 4 kV/m to 220 kV/m in the time domain, and the linear correlation coefficient of the input/output is 0.9997. The sensor has potential capability to be used for measurement of the intensive DC electric field.
ISSN:1943-0655
1943-0655
1943-0647
DOI:10.1109/JPHOT.2022.3153644