Accession Number:
AD0259848
Title:
AN INVESTIGATION OF MAGNETIC TRANSVERSE WAVES ON AN ELECTRON BEAM
Descriptive Note:
Technical rept.
Corporate Author:
UTAH UNIV SALT LAKE CITY MICROWAVE DEVICE AND PHYSICAL ELECTRONICS LAB
Personal Author(s):
Report Date:
1961-05-08
Pagination or Media Count:
39.0
Abstract:
An electron eam in the presence of an axial magnetic field supports four transverse waves-t o cyclotron waves and two synchrono s waves. A general coupling theory is developed from an electronic equation and a circuit equation to describe how these waves can be coupled to traveling-wave circuits. The polarization and power flow characteristics of the waves are derived and substantitated by physical arguments. This theory is applied to the bifilar helix, a circuit which can couple selectively to each of the four modes. A bifilar helix traveling-wave tube was used to investigate experimentally these four beam modes and provide a quantitative check of the coupling theory. Author