Research on the Application of Interferometry in OCT

Yan Shen; Yun He Lu; Guo Qing Zhang; Wen Bin Yu; Zhi Zhong Guo; Heng Rong

doi:10.4028/www.scientific.net/AMM.437.811

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 437Research on the Application of Interferometry in...

Research on the Application of Interferometry in OCT

Abstract:

This paper applies interferometry into the working principle of optical current transformer (OCT). In this paper, the current in transmission line is monitored by measuring the visibility of interference fringes instead of detecting the intensity of light. This paper represents the working principle of OCT to elaborate the relationship between deflecting angle and visibility. By fitting the measurement function of OCT, it can be obtained that the measurement system can realize the best precision when the angle between the two beams polarization planes is. At last, the performance of OCT system is tested. It shows that when the current is 1000A, the error of the measurement system is less than 1%.

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Periodical:

Applied Mechanics and Materials (Volume 437)

Pages:

811-816

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.437.811

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Online since:

October 2013

Authors:

Yan Shen*, Yun He Lu, Guo Qing Zhang, Wen Bin Yu, Zhi Zhong Guo, Heng Rong

Keywords:

Interferometric Fringe, Interferometric Visibility, Interferometry, OCT

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* - Corresponding Author

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