Brilliance of the fourth-generation synchrotron radiation sources are increased in the order of magnitude,which further emphasizes the coherent applications.The zoom system of traditional optics can realize coherence ...Brilliance of the fourth-generation synchrotron radiation sources are increased in the order of magnitude,which further emphasizes the coherent applications.The zoom system of traditional optics can realize coherence regulation while achieving the target size of focus spots at designated position.This paper develops the design method of zoom system to fully exploit partially coherent fields.According to the first-order optics and imaging theory,the design method is reasonably simplified.The fluxoptimization acceptance-angle ratio approximately linearly varies with the coherent fraction,which contributes to the slit-aperture determination.In order to validate the design method,wave-optics simulations are conducted in this paper.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.11505212 and 11875059).
文摘Brilliance of the fourth-generation synchrotron radiation sources are increased in the order of magnitude,which further emphasizes the coherent applications.The zoom system of traditional optics can realize coherence regulation while achieving the target size of focus spots at designated position.This paper develops the design method of zoom system to fully exploit partially coherent fields.According to the first-order optics and imaging theory,the design method is reasonably simplified.The fluxoptimization acceptance-angle ratio approximately linearly varies with the coherent fraction,which contributes to the slit-aperture determination.In order to validate the design method,wave-optics simulations are conducted in this paper.
