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Fabrication and Characterization of a Retroreflective Type of Practical LiNbO3 Voltage Sensor Operating in the Range of 6 Hz to 2 GHz

Tadashi ICHIKAWA, Manabu KAGAMI, Hiroshi ITO

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Summary :

This paper reports the performance of an AC-voltage sensor with a LiNbO3 integrated retroreflective structure based on the Y-junction Mach-Zehnder interferometer. This structure is capable of realizing a low-cost sensor chip because of the small chip size and single optical-fiber connection. In the sensitivity and frequency response evaluation, detection sensitivities of 6.3 µ V / Hz have been measured with a frequency response from 6 Hz to 2 GHz. These measurement limitations were also analyzed theoretically and compared with the experimental results. This unique sensor enables precise voltage measurement in an EMI environment, even inside a computer.

Publication
IEICE TRANSACTIONS on Electronics Vol.E83-C No.3 pp.355-359
Publication Date
2000/03/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Optical Fiber Sensors)
Category
Sensors for Electromagnetic Phenomena

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