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

被引：0

作者：

Imamura, Kei ^{[1
]}

Kida, Yuichiro ^{[1
]}

Kagamihata, Akihiro ^{[1
]}

Seike, Takamitsu ^{[1
]}

Yamamoto, Shigeru ^{[2
]}

Ohashi, Haruhiko ^{[1
,3
]}

Tanaka, Takashi ^{[3
]}

机构：

[1] Japan Synchrotron Radiat Res Inst, Koto 1-1-1, Sayo, Hyogo 6795198, Japan

[2] KEK, High Energy Accelerator Res Org, Inst Mat Struct Sci, Photon Factory, Oho 1-1, Tsukuba, Ibaraki 3050801, Japan

[3] RIKEN SPring 8 Ctr, Koto 1-1-1, Sayo, Hyogo 6795148, Japan

来源：

JOURNAL OF SYNCHROTRON RADIATION | 2024年 / 31卷

关键词：

in-vacuum undulator;

D O I：

10.1107/S1600577524005873

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

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.

引用

页码：1154 / 1160

页数：7

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