开发一种用于常压下无窗实验的软 X 射线光束线的差压抽气系统。
Development of a differential pumping system for soft X-ray beamlines for windowless experiments under normal atmospheric conditions.
机构信息
Japan Synchrotron Radiation Research Institute/SPring-8, Hyogo 679-5198, Japan.
出版信息
J Synchrotron Radiat. 2010 Mar;17(2):243-9. doi: 10.1107/S0909049509052571. Epub 2010 Jan 16.
A novel design for a differential pumping system has been investigated. This system allows windowless experiments in a soft X-ray beamline under normal atmospheric conditions. The new design consists of an aperture-based four-stage differential pumping system, based on a simple model calculation. A prototype system with a total length of 600 mm was constructed to confirm the validity of the design concept. Relatively short conductance-limiting components allow easy installation and alignment of the system on a synchrotron beamline. The fabricated system was installed on a beamline to test the transmission of soft X-rays through atmospheric helium.
已经研究了一种用于差分式抽气系统的新型设计。该系统允许在正常大气条件下于软 X 射线光束线中进行无窗实验。新设计由基于简单模型计算的基于孔径的四阶段差分式抽气系统组成。构建了一个总长度为 600mm 的原型系统，以验证设计概念的有效性。相对较短的导纳限制组件使得系统在同步加速器光束线上的安装和对准变得容易。所制造的系统已安装在光束线上，以测试软 X 射线通过大气氦的传输。
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