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配备极亮光源的时间分辨超小角X射线散射光束线的性能

Performance of the time-resolved ultra-small-angle X-ray scattering beamline with the Extremely Brilliant Source.

作者信息

Narayanan Theyencheri, Sztucki Michael, Zinn Thomas, Kieffer Jérôme, Homs-Puron Alejandro, Gorini Jacques, Van Vaerenbergh Pierre, Boesecke Peter

机构信息

ESRF - The European Synchrotron, 38043 Grenoble, France.

出版信息

J Appl Crystallogr. 2022 Feb 1;55(Pt 1):98-111. doi: 10.1107/S1600576721012693.

DOI:10.1107/S1600576721012693
PMID:35145357
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8805168/
Abstract

The new technical features and enhanced performance of the ID02 beamline with the Extremely Brilliant Source (EBS) at the ESRF are described. The beamline enables static and kinetic investigations of a broad range of systems from ångström to micrometre size scales and down to the sub-millisecond time range by combining different small-angle X-ray scattering techniques in a single instrument. In addition, a nearly coherent beam obtained in the high-resolution mode allows multispeckle X-ray photon correlation spectroscopy measurements down to the microsecond range over the ultra-small- and small-angle regions. While the scattering vector (of magnitude ) range covered is the same as before, 0.001 ≤ ≤ 50 nm for an X-ray wavelength of 1 Å, the EBS permits relaxation of the collimation conditions, thereby obtaining a higher flux throughput and lower background. In particular, a coherent photon flux in excess of 10 photons s can be routinely obtained, allowing dynamic studies of relatively dilute samples. The enhanced beam properties are complemented by advanced pixel-array detectors and high-throughput data reduction pipelines. All these developments together open new opportunities for structural, dynamic and kinetic investigations of out-of-equilibrium soft matter and biophysical systems.

摘要

描述了欧洲同步辐射装置（ESRF）上配备极亮光源（EBS）的ID02光束线的新技术特性和增强性能。该光束线通过在一台仪器中结合不同的小角X射线散射技术，能够对从埃到微米尺寸范围、直至亚毫秒时间范围的广泛系统进行静态和动态研究。此外，在高分辨率模式下获得的近乎相干光束允许在超小角和小角区域进行低至微秒范围的多散斑X射线光子相关光谱测量。虽然覆盖的散射矢量（大小为 ）范围与以前相同，对于1 Å的X射线波长，0.001 ≤ ≤ 50 nm，但EBS允许放宽准直条件，从而获得更高的通量吞吐量和更低的背景。特别是，可以常规获得超过10 光子·秒的相干光子通量，从而允许对相对稀的样品进行动态研究。先进的像素阵列探测器和高通量数据处理管道补充了增强的光束特性。所有这些进展共同为非平衡软物质和生物物理系统的结构、动态和动力学研究开辟了新机会。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/8348e51e4f0b/j-55-00098-fig14.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/894bd9b0aaa6/j-55-00098-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/4cbd065b364c/j-55-00098-fig2.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/0d6992c6fc55/j-55-00098-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/2ef52b2dd9ff/j-55-00098-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/1b2913a11504/j-55-00098-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/9f68f32f2103/j-55-00098-fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/c393bbd5a288/j-55-00098-fig8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/6762cb81b27d/j-55-00098-fig9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/8697582a58a6/j-55-00098-fig10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/079baf86f100/j-55-00098-fig11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/e27875cf30bd/j-55-00098-fig12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/e03d2947c625/j-55-00098-fig13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/8348e51e4f0b/j-55-00098-fig14.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/894bd9b0aaa6/j-55-00098-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/4cbd065b364c/j-55-00098-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/6f17534e37e1/j-55-00098-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/0d6992c6fc55/j-55-00098-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/2ef52b2dd9ff/j-55-00098-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/1b2913a11504/j-55-00098-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/9f68f32f2103/j-55-00098-fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/c393bbd5a288/j-55-00098-fig8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/6762cb81b27d/j-55-00098-fig9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/8697582a58a6/j-55-00098-fig10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/079baf86f100/j-55-00098-fig11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/e27875cf30bd/j-55-00098-fig12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/e03d2947c625/j-55-00098-fig13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7979/8805168/8348e51e4f0b/j-55-00098-fig14.jpg

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