Cyclotron maser instability for general magnetic harmonic number
Technical Report
·
OSTI ID:6101125
This paper examines the cyclotron maser instability for general magnetic harmonic number transverse electric (TE) and transverse magnetic (TM) waveguide modes in a conducting cylinder of radius R sub c. The analysis is carried out for a hollow electron beam (radius R sub 0) propagating parallel to a uniform axial magnetic field. One of the most important features of the analysis is that the instability growth rate for magnetic harmonic numbers s=2, 3, ... is comparable to the growth rate of the fundamental (s=1) mode, particularly for moderate electron energy. Moreover, it is shown that the instability growth rate can be maximized by appropriate choice of the geometric parameter R sub 0/R sub c.
- Research Organization:
- Maryland Univ., College Park (USA). Dept. of Physics and Astronomy
- OSTI ID:
- 6101125
- Report Number(s):
- AD-A-060379
- Country of Publication:
- United States
- Language:
- English
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