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author:

Zhou, Jie (Zhou, Jie.) [1] | Xu, Qifeng (Xu, Qifeng.) [2] | Tan, Qiao (Tan, Qiao.) [3]

Indexed by:

EI Scopus SCIE

Abstract:

This paper proposes an optical voltage transducer based on radial polarization demodulation and a four-quadrant detector (FQD). The voltage has been sensed linearly using an annular radial polarization grating to convert the electro-optical (EO) phase delay into the synchronous rotation of a spot. The FQD is employed to locate the spot to achieve voltage measurement. Compared with the charge coupled device camera employed before for the spot positioning, the measurement resolution is improved by nearly 100 times in the range of +/- 40 degrees, the EO phase delay and the measurement accuracy is improved from class 0.5 to class 0.2, and the cost of the image unit is greatly reduced by 95%.

Keyword:

EO phase delay FQD OVT radial polarization demodulation

Community:

  • [ 1 ] [Zhou, Jie]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Xu, Qifeng]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Tan, Qiao]Minjiang Univ, Coll Comp & Control Engn, Fuzhou 350116, Fujian, Peoples R China

Reprint 's Address:

  • 徐启峰

    [Xu, Qifeng]Fuzhou Univ, Coll Elect Engn & Automat, Fuzhou 350116, Fujian, Peoples R China

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Source :

MEASUREMENT SCIENCE AND TECHNOLOGY

ISSN: 0957-0233

Year: 2019

Issue: 4

Volume: 30

1 . 8 5 7

JCR@2019

2 . 7 0 0

JCR@2023

ESI Discipline: ENGINEERING;

ESI HC Threshold:150

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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