Constructing a Permanent Magnet Phase Shifter

A permanent-magnet (PM) phase shifter has been constructed for tandem elliptically polarizing undulators at the Taiwan photon source. To increase the magnetic field reproducibility and to allow installation in a limited space, a robust mechanical structure is desired. To decrease multipole errors an...

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Published in:IEEE transactions on applied superconductivity 2018-04, Vol.28 (3), p.1-5
Main Authors: Yang, Chih-Sheng, Chung, Ting-Yi, Kuo, Cheng-Ying, Jan, Jyh-Chyuan, Hwang, Ching-Shiang
Format: Article
Language:English
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EPU
fringe field
Magnetic field measurement
Magnetic fields
Magnetic noise
Magnetic shielding
permanent magnet
Permanent magnets
phase shifter
Phase shifters
Superconducting magnets
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Hwang, Ching-Shiang
description A permanent-magnet (PM) phase shifter has been constructed for tandem elliptically polarizing undulators at the Taiwan photon source. To increase the magnetic field reproducibility and to allow installation in a limited space, a robust mechanical structure is desired. To decrease multipole errors and optimize the magnetic field, algorithms for magnet sorting were used and magnetic field shimming was done. The start-to-end construction of a PM phase shifter will be discussed and explained in detail.
doi_str_mv 10.1109/TASC.2017.2777849
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subjects EPU
fringe field
Magnetic field measurement
Magnetic fields
Magnetic noise
Magnetic shielding
permanent magnet
Permanent magnets
phase shifter
Phase shifters
Superconducting magnets
title Constructing a Permanent Magnet Phase Shifter
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