Zisheng Yao, Julia Rogalinski, Eleni Myrto Asimakopoulou, Yuhe Zhang, Korneliya Gordeyeva, Zhaleh Atoufi, Hanna Dierks, Samuel McDonald, Stephen Hall, Jesper Wallentin, Daniel Söderberg, Kim Nygård, Pablo Villanueva-Perez
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引用次数: 0
Abstract
The advent of diffraction-limited storage rings (DLSRs) has boosted the brilliance or coherent flux by one to two orders of magnitude with respect to the previous generation. One consequence of this brilliance enhancement is an increase in the flux density or number of photons per unit of area and time, which opens new possibilities for the spatiotemporal resolution of X-ray imaging techniques. This paper studies the time-resolved microscopy capabilities of such facilities by benchmarking the ForMAX beamline at the MAX IV storage ring. It is demonstrated that this enhanced flux density using a single harmonic of the source allows micrometre-resolution time-resolved imaging at 2000 tomograms per second and 1.1 MHz 2D acquisition rates using the full dynamic range of the detector system.
衍射限幅存储环（DLSR）的出现使亮度或相干通量比上一代产品提高了一到两个数量级。亮度提高的一个结果是单位面积和时间的光子通量密度或数量增加，这为 X 射线成像技术的时空分辨率提供了新的可能性。本文以 MAX IV 储存环的 ForMAX 光束线为基准，研究了这类设施的时间分辨显微镜功能。结果表明，使用单谐波光源的这种增强型通量密度，可以利用探测器系统的全动态范围，以每秒 2000 张断层图和 1.1 MHz 2D 采集率进行微米分辨率的时间分辨成像。
期刊介绍：
Synchrotron radiation research is rapidly expanding with many new sources of radiation being created globally. Synchrotron radiation plays a leading role in pure science and in emerging technologies. The Journal of Synchrotron Radiation provides comprehensive coverage of the entire field of synchrotron radiation and free-electron laser research including instrumentation, theory, computing and scientific applications in areas such as biology, nanoscience and materials science. Rapid publication ensures an up-to-date information resource for scientists and engineers in the field.
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