北京先进光源系列邀请报告(4-1)--Ultrafast detectors for time-resolved research at synchrotron sources

Dr. Jin Wang

Advanced Photon Source, Argonne National Laboratory, US.

报告题目:Ultrafast detectors for time-resolved research at synchrotron sources

报告时间： 2011.08.16 下午3:00

报告地点：北京同步辐射装置12号厅会议室

报告摘要：With the advent of highly brilliant third-generation synchrotron x-ray sources, such as the Advanced Photon Source (APS), ultrafast structural and dynamical studies on materials using intense x-ray beams become feasible in real time and in a position-sensitive manner. The x-ray probes are used in almost all x-ray techniques involving x-ray imaging (radiography, tomography, phase-contrast imaging), scattering (small-angle x-ray scattering, diffraction) and spectroscopy (extended absorption fine structure, near-edge absorption spectroscopy) of highly transient and dynamic processes including protein folding, laser-matter interactions, and dynamics of polymers and liquids studied by using coherent x-ray beams. It has been recognized that fast, efficient x-ray detectors are one of the most critical technological needs for effective utilization of the intense x-ray beams available at these sources. Unfortunately, despite steady development in this area, there has been the lack of an “ideal” time-resolved, position sensitive and energy-resolved x-ray detector to take full advantage of the extremely intense x-ray beams for a host of experiments. In this presentation, an overview of several important x-ray detector technologies will be briefly reviewed.