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Impedance of a rectangular beam tube with small corrugations

2003
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Physical Review Special Topics. Accelerators and Beams
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We consider the impedance of a structure with rectangular, periodic corrugations on two opposing sides of a rectangular beam tube. Using the method of field matching, we find the modes in such a structure. We then limit ourselves to the the case of small corrugations, but where the depth of corrugation is not small compared to the period. For such a structure we generate analytical approximate solutions for the wave number k, group velocity v_g, and loss factor κ for the lowest (the dominant)

doi:10.1103/physrevstab.6.024401
fatcat:ddzeb3wynjg2fpk6bh4ideliui