Measurement of superconducting sphere spin-axis position using fiber optical sensor

Chunyan Cui; Qiuliang Wang; Shangwu Zhao; Xinning Hu

doi:10.1109/TASC.2010.2040384

Measurement of superconducting sphere spin-axis position using fiber optical sensor

Chunyan Cui
, Qiuliang Wang
, Shangwu Zhao
, Xinning Hu

School of Electrical Engineering

CAS - Institute of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

A practical method to measure spin axis position of superconducting sphere rotor in cryogenic instrument using a reflective intensity modulated optical fiber sensor is presented. The deviation amount and direction of the spin axis are obtained by calculating the amplitude and phase of the reflective optical intensity signal. The experiments are carried out for the verification of the theoretical model and the performance evaluation of the sensor system. The experimental results show that the resolution, repeatability and linearity of the sensor system can achieve 10 μm, 2% and 0.9988 respectively.

Original language	English
Article number	5424089
Pages (from-to)	1763-1766
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	20
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2010.2040384
State	Published - Jun 2010

Keywords

Fiber optical sensor
Reflective intensity modulation
Spin axis position
Superconducting sphere rotor

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10.1109/TASC.2010.2040384

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title = "Measurement of superconducting sphere spin-axis position using fiber optical sensor",

abstract = "A practical method to measure spin axis position of superconducting sphere rotor in cryogenic instrument using a reflective intensity modulated optical fiber sensor is presented. The deviation amount and direction of the spin axis are obtained by calculating the amplitude and phase of the reflective optical intensity signal. The experiments are carried out for the verification of the theoretical model and the performance evaluation of the sensor system. The experimental results show that the resolution, repeatability and linearity of the sensor system can achieve 10 μm, 2\% and 0.9988 respectively.",

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AU - Cui, Chunyan

AU - Wang, Qiuliang

AU - Zhao, Shangwu

AU - Hu, Xinning

PY - 2010/6

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N2 - A practical method to measure spin axis position of superconducting sphere rotor in cryogenic instrument using a reflective intensity modulated optical fiber sensor is presented. The deviation amount and direction of the spin axis are obtained by calculating the amplitude and phase of the reflective optical intensity signal. The experiments are carried out for the verification of the theoretical model and the performance evaluation of the sensor system. The experimental results show that the resolution, repeatability and linearity of the sensor system can achieve 10 μm, 2% and 0.9988 respectively.

AB - A practical method to measure spin axis position of superconducting sphere rotor in cryogenic instrument using a reflective intensity modulated optical fiber sensor is presented. The deviation amount and direction of the spin axis are obtained by calculating the amplitude and phase of the reflective optical intensity signal. The experiments are carried out for the verification of the theoretical model and the performance evaluation of the sensor system. The experimental results show that the resolution, repeatability and linearity of the sensor system can achieve 10 μm, 2% and 0.9988 respectively.

KW - Fiber optical sensor

KW - Reflective intensity modulation

KW - Spin axis position

KW - Superconducting sphere rotor

UR - https://www.scopus.com/pages/publications/77952955155

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JF - IEEE Transactions on Applied Superconductivity

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M1 - 5424089

ER -

Measurement of superconducting sphere spin-axis position using fiber optical sensor

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