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一种高性能且经济高效的真空内摆动器的研制。

Development of a high-performance and cost-effective in-vacuum undulator.

作者信息

Imamura Kei, Kida Yuichiro, Kagamihata Akihiro, Seike Takamitsu, Yamamoto Shigeru, Ohashi Haruhiko, Tanaka Takashi

机构信息

Japan Synchrotron Radiation Research Institute, Koto 1-1-1, Sayo, Hyogo 679-5198, Japan.

Photon Factory, Institute of Material Structure Science, High Energy Accelerator Research Organization, KEK, Oho 1-1, Tsukuba, Ibaraki 305-0801, Japan.

出版信息

J Synchrotron Radiat. 2024 Sep 1;31(Pt 5):1154-1160. doi: 10.1107/S1600577524005873. Epub 2024 Aug 1.

DOI:10.1107/S1600577524005873
PMID:39088401
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11371046/
Abstract

In-vacuum undulators (IVUs), which have become an essential tool in synchrotron radiation facilities, have two technical challenges toward further advancement: one is a strong attractive force between top and bottom magnetic arrays, and the other is a stringent requirement on magnetic materials to avoid demagnetization. The former imposes a complicated design on mechanical and vacuum structures, while the latter limits the possibility of using high-performance permanent magnets. To solve these issues, a number of technical developments have been made, such as force cancellation and modularization of magnetic arrays, and enhancement of resistance against demagnetization by means of a special magnetic circuit. The performance of a new IVU built upon these technologies has revealed their effectiveness for constructing high-performance IVUs in a cost-effective manner.

摘要

真空型波荡器（IVU）已成为同步辐射装置中的一种重要工具，在进一步发展上面临两个技术挑战：一是上下磁阵列之间存在强大的吸引力，另一个是对磁性材料避免退磁有严格要求。前者给机械和真空结构带来复杂的设计，而后者限制了使用高性能永磁体的可能性。为了解决这些问题，人们进行了许多技术改进，如磁阵列的力抵消和模块化，以及通过特殊磁路增强抗退磁能力。基于这些技术构建的新型IVU的性能已经表明它们在以经济高效的方式构建高性能IVU方面的有效性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/6c75dc6c6ba1/s-31-01154-fig8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/d845ac4b023a/s-31-01154-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/3f9e336a7034/s-31-01154-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/d63d280147c7/s-31-01154-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/4a44ff57534b/s-31-01154-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/20471e6d54c8/s-31-01154-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/1ad36bb40013/s-31-01154-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/89ba75c81906/s-31-01154-fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/6c75dc6c6ba1/s-31-01154-fig8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/d845ac4b023a/s-31-01154-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/3f9e336a7034/s-31-01154-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/d63d280147c7/s-31-01154-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/4a44ff57534b/s-31-01154-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/20471e6d54c8/s-31-01154-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/1ad36bb40013/s-31-01154-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/89ba75c81906/s-31-01154-fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4d69/11371046/6c75dc6c6ba1/s-31-01154-fig8.jpg

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本文引用的文献

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3
Magnetic assessment and modelling of the Aramis undulator beamline.
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J Synchrotron Radiat. 2018 May 1;25(Pt 3):686-705. doi: 10.1107/S1600577518002205. Epub 2018 Apr 3.
4
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5
In-vacuum undulators of SPring-8.SPring-8的真空内摆动器
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