Abstract
Abstract In this experiment we observe emission of a single RF macropulse from a mode-locked FEL oscillator. The FEL employs a continuous electron beam and operates in the microwave regime. The amplitude mode-locking is achieved by modulating the attenuation of the FEL ring cavity at its round-trip frequency ( ∼ 27 MHz ). The observed RF macropulse consists of short RF micropulses. Their period ( ∼ 37 ns ) is determined by the modulating frequency, and their width is comparable to the slippage time ( ∼ 3 ns ). Examples of experimental results of amplitude mode-locked FEL signals are presented for coaxial-line and waveguide cavity sections.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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