An optical design of twin Wolter mirrors for focusing and imaging experiments with soft X-ray free electron lasers

被引：7

作者：

Egawa, S. ^{[1
]}

Yamaguchi, G. ^{[1
]}

Motoyama, H. ^{[2
]}

Owada, S. ^{[3
,4
]}

Kubota, Y. ^{[3
,4
]}

Tono, K. ^{[3
,4
]}

Ohashi, H. ^{[3
,4
]}

Yabashi, M. ^{[3
,4
]}

Mimura, H. ^{[1
]}

机构：

[1] Univ Tokyo, Sch Engn, Dept Precis Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

[2] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1138656, Japan

[3] Japan Synchrotron Radiat Res Inst JASRI, 1-1-1 Kouto, Sayo, Hyogo 6795198, Japan

[4] RIKEN, SPring 8 Ctr, 1-1-1 Kouto, Sayo, Hyogo 6795198, Japan

来源：

ADVANCES IN X-RAY/EUV OPTICS AND COMPONENTS XIV | 2019年 / 11108卷

关键词：

X-ray free electron laser; Wolter mirror; focusing; imaging; grazing incidence mirror; EXTREME-ULTRAVIOLET; OPERATION; COHERENT; PULSES;

D O I：

10.1117/12.2529039

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents the designs and simulations of twin Wolter mirrors for focusing and imaging experiments with soft Xray free electron lasers. Wave-optical simulations at a photon energy of 100 eV indicate that the designed focusing Wolter mirror focuses soft X-ray beams to a 300 nm x 200 nm spot with an acceptable rotational error of 1.7 mrad x 1.4 mrad and that the objective Wolter mirror, which receives the beam that passes through the focusing Wolter mirror and a sample, forms bright-field images with a spatial resolution of 140 nm x 140 nm. The focusing Wolter mirror enables long-term experiments with high stability, and the objective Wolter mirror is applicable to imaging-before-destruction.

引用

页数：8

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