Accelerator physics and technology of the fourth-generation synchrotron radiation light source
Synchrotron radiation light sources based on electron storage rings are the most widely used high-performance X-ray sources in the past 20th century,and have become important tools for frontier research in the fields of physics,chemistry,energy and environment,biomedical science,and advanced materials.In the 21st century,the foremost ring-based light source is the fourth-generation synchrotron radiation light source(4GLS).It generally adopts a compact multi-bend achromat lattice to achieve ultralow electron beam emittance that approaches the diffraction limit of X-rays,thus enabling an increase in the brilliance of the synchrotron radia-tion by 2-3 orders of magnitude compared to existing third-generation sources.This article will focus on the key accelerator physics and technology issues,as well as the current status,of 4GLSs around the world.
fourth-generation synchrotron radiation light sourcemulti-bend achromat latticeaccelerator physics and technology
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