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Some fundamental properties of synchrotron radiation and electron beam characteristics in synchrotron radiation storage rings are recapitulated. Then, different design criteria for the construction of synchrotron radiation facilities are discussed as well as some technical solutions to the problem of matching the light and electron beam properties.
Absorption of circularly polarized radiation (σ-radiation) recently gained interest mainly due to its helicity-dependence for magnetic materials (circular magnetic dichroism). The physics behind this absorption process is optical orientation and is closely related to the physics behind other types of experiment with circularly polarized radiation in which fundamental electronic properties of matter...
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