Optimizing coupling in biperiodic accelerating structures

Author

Kostin, D.V. ; Salakhutdinov, A.F. ; Shvedunov, V.I. ; Sobenin, N.P. ; Trower, W.P.

Author_Institution

World Phys. Technol., Blacksburg, VA, USA

Volume

45

Issue

3

fYear

1998

fDate

6/1/1998 12:00:00 AM

Firstpage

1002

Lastpage

1005

Abstract

We have studied the electrodynamic and focusing dependence on the coupling slot and coupling cell parameters for circular and rectangular accelerating structures. We find that: (i) for circular structures the coupling slot induced asymmetric electromagnetic fields of the coupling cell have twice the influence on the transverse beam dynamics than those of accelerating cells; (ii) the neighboring cell coupling slot location can influence the beam dynamics from minimally to usefully; and (iii) by increasing the coupling slot area while optimizing its geometry and decreasing the coupling cell area covered by surface currents, the coupling can be increased ~15% with little decrease in shunt impedance

Keywords

particle beam dynamics; particle beam focusing; biperiodic accelerating structures; circular structures; coupling cell; coupling slot; coupling slot area; electrodynamic; focusing; shunt impedance; transverse beam dynamics; Acceleration; Conductivity; Couplings; Current distribution; Geometry; Magnetic fields; Radio frequency; Shunt (electrical); Skin; Surface impedance;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/23.682696

Filename

682696