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Beam-cavity interaction measurements in a DAW structure

Conference · · IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:6112225

Mode excitations induced by relativistic electron beams have been measured in a disk-and-washer (DAW) structure. The structure had three washers, each with four radial support stems, and half-disk end terminations. The design DAW operating frequency was 1300 MHz, the same as that used to accelerate the electron beam. Both short-pulse (35-ps, 800-Hz, 17-nC/pulse) and long-pulse (10-..mu..s, 2-A average) conditions were used in the beam-excitation experiments. Mode spectra were measured and identified using lowpower techniques employed after the high-power beam measurements. Mode frequency calculations for the complete three-washer geometry were performed using URMEL for up to m = 7. Calculated results are compared with data determined from low-power and beamdriven excitation of the DAW structure.

Research Organization:
Los Alamos National Laboratory, Los Alamos, NM
OSTI ID:
6112225
Report Number(s):
CONF-850504-
Journal Information:
IEEE Trans. Nucl. Sci.; (United States), Journal Name: IEEE Trans. Nucl. Sci.; (United States) Vol. NS-32:5; ISSN IETNA
Country of Publication:
United States
Language:
English