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The resonance Cherenkov radiation generated from a train of equally-spacedunidimensional electron bunches travelling along the axis of a hollow channelinside an infinite cylindrical waveguide filled with (weakly dispersing)transparent dielectric has been investigated. It was shown that its excitationmight be stimulated at a large number of neighboring modes of the waveguide. Avisual explanation of this effect is given and the possibility of itsobservation in the range of terahertz radiation is discussed.

Stimulated excitation of resonant Cherenkov radiation at a large number of neighbouring waveguide modes