Cherenkov maser at millimeter wavelengths
Technical Report
·
OSTI ID:6994020
The dispersion relation for the transverse magnetic modes (TM/sub 0n/) of a partially filled, dielectric-lined, cylindrical waveguide driven by a cold relativistic electron beam is derived. The effect of a gap between the electron beam and the dielectric liner is included. The dispersion relation is then used to calculate the growth rate for the Cherenkov instability in the collective tenuous-beam limit. Expressions are developed for the minimum current necessary for oscillation threshold and for the power output of the Cerenkov maser in the collective regime.
- Research Organization:
- Dartmouth Coll., Hanover, NH (USA). Dept. of Physics and Astronomy
- OSTI ID:
- 6994020
- Report Number(s):
- AD-A-171245/4/XAB
- Country of Publication:
- United States
- Language:
- English
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