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Title: Radio frequency accelerating cavity having slotted irises for damping certain electromagnetic modes

Patent ·
OSTI ID:7027418

An accelerating cavity is disclosed having one or more iris structures mounted therein for strongly damping unwanted frequencies that are generated in the cavity by bunches of particles in a particle beam that is accelerated through the cavity during its operation. Each of the iris structures is characterized by containing a plurality of radial slots therein that extend from the central aperture through the iris member to the perimeter thereof. The outer end of each of the radial slots includes an enlarged portion that is effective to prevent undesired frequencies from being reflected back into the center aperture of the iris member. Waveguide means connect the outer ends of the radial slots to frequency damping means or to a dump or dumps. 17 figures.

DOE Contract Number:
AC02-76CH00016
Assignee:
Associated Universities, Inc., Washington, DC (United States)
Patent Number(s):
US 5017881; A
Application Number:
PPN: US 7-364304
OSTI ID:
7027418
Resource Relation:
Patent File Date: 12 Jun 1989
Country of Publication:
United States
Language:
English