Abstract
The influence of the focusing system on the characteristics of radiation of free electron lasers (FEL) is investigated. The results of numerical simulations for European XFEL project are presented. The versions with standard periodic focusing and with natural undulator focusing are considered. A new system of central focusing with a minimum number of quadrupole lenses is proposed.
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Original Russian Text © V.V. Sahakyan, 2011, published in Izvestiya NAN Armenii, Fizika, 2011, Vol. 46, No. 4, pp. 249–255.
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Sahakyan, V.V. Study of free electron laser performance with external focusing. J. Contemp. Phys. 46, 160–164 (2011). https://doi.org/10.3103/S1068337211040049
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DOI: https://doi.org/10.3103/S1068337211040049