摘要
光子大科学装置主要分为同步辐射光源和自由电子激光装置两大类,可以产生光子能量范围从红外到硬X射线的高通量、高亮度、光子能量连续可调的光,在过去半个多世纪里已经发展成为服务于物理学、化学、材料科学、生命科学、能源、环境科学等众多学科的综合性科研中心.光子大科学装置在我国经过了40多年的发展,已经建立起较完整的体系,达到世界先进水平.文章通过对已有的和建设中的装置的描述分别介绍同步辐射光源和自由电子激光在国内的发展历程和现状,并对未来发展趋势进行展望.
Abstract
Large-scale user facilities for photon science,including synchrotron radiation sources and free-electron lasers,produce high flux,high brightness light with photon energy ranging from infrared to hard X-ray and continuously tunable.As a result,synchrotron radiation sources and free-electron lasers become the centers of scientific research for multiple fields such as physics,chemistry,material science,life sciences,energy,and environmental sciences over the past half a century.In China,synchrotron radiation sources and free-electron lasers have been developed for four decades and state-of-the-art facilities are under construction,making China one of the major powers of these facilities.In this paper,the history and present state of synchrotron radiation sources and free-electron lasers in China are described through introducing the existing and upcoming facilities,with brief discussions on future development.
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