Beam line design for high-resolution diffraction at synchrotron radiation sources

U Pietsch; O H Seeck

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Beam line design for high-resolution diffraction at synchrotron radiation sources

Article | 更新时间：2020-08-12

- Beam line design for high-resolution diffraction at synchrotron radiation sources
- Optics and Precision Engineering Vol. 15, Issue 12, Pages: 1900-1907(2007)
- 作者机构：
  
  1. Faculty of Physics, Siegen University,- Siegen D,Germany,57068
  2. HASYLAB at DESY,- Hamburg D,Germany,22603
- 作者简介：
- 基金信息：
- DOI：
  CLC： O436.1;O434.19
- Received：20 August 2007，
  
  Revised：10 October 2007，
  
  Published Online：30 December 2007，
  
  Published：30 December 2007
- 稿件说明：
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UPietsch,OHSeeck. 同步辐射高分辨率衍射光束线的设计[J]. 光学精密工程, 2007,15(12):1900-1907

U Pietsch, O H Seeck. Beam line design for high-resolution diffraction at synchrotron radiation sources[J]. Optics and precision engineering, 2007, 15(12): 1900-1907.
UPietsch,OHSeeck. 同步辐射高分辨率衍射光束线的设计[J]. 光学精密工程, 2007,15(12):1900-1907 DOI：

U Pietsch, O H Seeck. Beam line design for high-resolution diffraction at synchrotron radiation sources[J]. Optics and precision engineering, 2007, 15(12): 1900-1907. DOI：

摘要

介绍了第三代同步辐射高分辨率X射线衍射光束线的总体设计。给出了高分辨率衍射的基本原理并描述了获得确定光子能量的近平行高强度X射线光束线所必需的光学元件。特别是用X射线动力学理论

解释了双晶及四次反射晶体单色器。作为一个实例

介绍了将于2009年开始在德国汉堡运行的一个新的同步辐射源PETRAⅢ的高分辨率衍射(HighRes)光束线的设置情况。通过优化光学部件

对微米尺寸光束

空间的分辨减小到Δ

=10

-5

-1

光通量大于10

cts/s。

Abstract

The general design of a high-resolution diffraction beamline at a third generation X-ray synchrotron radiation source is presented. For this

we introduce the basics of high resolution diffraction and the optical elements necessary to prepare a nearly parallel but intense X-ray beam with well-defined photon energy for high-resolution application. In particular

the function of double-crystal and four-bounced crystal monochromators is explained in terms of X-ray dynamical theory. As an example

we present the layout of the High Resolution Diffraction (HighRes) beamline at the new synchrotron radiation source PETRA III in Hamburg (Germany) which will become operational in 2009. By optimizing the optical components

a resolution in

-space will be achieved down to Δ

=10

-5

-1

with micron beam size and a flux of more than 10

cts/s.

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