Tsui O K, Mochrie S G, Berman L E
Center for Materials Science and Engineering, Massachusetts Institute of Technology,Cambridge, MA 02139, USA.
J Synchrotron Radiat. 1998 Jan 1;5(Pt 1):30-6. doi: 10.1107/S090904959701039X.
A statistical analysis of the static speckle produced by illuminating a disordered aerogel sample by a nominally coherent X-ray beam at wiggler beamline X25 at the National Synchrotron Light Source is reported. The results of the analysis show that the coherence delivered to the X25 hutch is within 35% of what is expected. The rate of coherent photons is approximately two times smaller than expected on the basis of the X25 wiggler source brilliance.
报道了在国家同步辐射光源的摆动器光束线X25处，用名义上相干的X射线束照射无序气凝胶样品产生的静态散斑的统计分析结果。分析结果表明，传输到X25实验站的相干性在预期值的35%以内。相干光子的速率比基于X25摆动器光源亮度预期的速率小约两倍。
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