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Reflective type segmented electrooptical electric field sensor

โœ Scribed by Hsin-Ying Lee; Tsung-Hsin Lee; Wen-Tron Shay; Ching-Ting Lee


Book ID
104092546
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
348 KB
Volume
148
Category
Article
ISSN
0924-4247

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โœฆ Synopsis


An electric field sensor was integrated by combining reflective type LiNbO 3 Mach-Zehnder modulator and segmented modulator electrode. The frequency response is flat from 750 MHz to 6 GHz. The average minimum detectable electric field strength is about 10 mV/m. The size of the fabricated sensor is microminiaturized as small as 45 ร— 3 ร— 0.5 mm 3 .


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Recently, with the diversification of electromagnetic compatibility (EMC) problems, the need for an electric field sensor to measure the electromagnetic pulses and the electric field near the equipment has increased greatly. An electric field sensor using LiNbO,, which has an electrooptical effect,