Twin helical undulator beamline for soft X-ray spectroscopy at SPring-8

被引：61

作者：

Saitoh, Y ^{[1
]}

Nakatani, T

Matsushita, T

Miyahara, T

Fujisawa, M

Soda, K

Muro, T

Ueda, S

Harada, H

Sekiyama, A

Imada, S

Daimon, H

Suga, S

机构：

[1] RIKEN, JAERI, SPring 8 Project Team, Kamigori, Hyogo 67812, Japan

[2] Japan Synchrotron Radiat Res Inst, Kamigori, Hyogo 67812, Japan

[3] Tokyo Metropolitan Univ, Dept Phys, Tokyo 19203, Japan

[4] Univ Tokyo, ISSP, SRL, Tanashi, Tokyo 188, Japan

[5] Nagoya Univ, Sch Engn, Nagoya, Aichi 46401, Japan

[6] Osaka Univ, Dept Mat Phys, Toyonaka, Osaka 560, Japan

[7] Nara Inst Sci & Technol, Grad Sch Mat Sci, Nara 63001, Japan

来源：

JOURNAL OF SYNCHROTRON RADIATION | 1998年 / 5卷

关键词：

soft X-ray spectroscopy; twin helical undulators; varied-line-spacing plane gratings;

D O I：

10.1107/S090904959701902X

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A very high resolution soft X-ray beamline, BL25SU, has been designed and is under construction at SPring-8. Completely right or left circularly polarized light is supplied on a common axis of a newly designed twin helical undulator. A helicity modulation up to 10 Hz can be performed using five kicker magnets. The fundamental radiation covers the region 0.5-3 keV. Higher-order radiation is rather weak on the axis. A monochromator with varied-line-spacing plane gratings is installed to cover the region below 1.5 keV. A very high resolution beyond 10(4) is expected for the whole energy region.

引用

页码：542 / 544

页数：3

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