直交遅延磁場型偏光アンジュレータの放射特性

概要

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A polarizing undulator with crossed and retarded magnetic fields which enables us to obtain polarized radiation of any ellipticity is expected to be very useful in polarization modulation spectroscopy. Some preliminary results of any kind of elliptically polarized undulator radiation has been successfully obtained in 1987. The characteristics of the radiation from an undulator by single electron are well understood theoretically. However, optimum use of the undulator radiation demands to confirm its brightness in an absolute scale and degree of the polarization under the condition of a finite emittance and a finite angular aperture of observation. Accordingly, we studied the absolute brightness and the polarization characteristics in visible region from 700 to 350 nm for confirming the validity of the theory and the predicted advantage of the undulator radiation in the VUV or X-ray region.
社団法人日本分光学会の論文