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1991•Applied Physics LettersRequires access

First operation of a multi-electron-beam Cherenkov free-electron laser oscillator

Qingyuan Wang, Shanfu Yu, Peijue Xun, Shenggang Liu, Kesong Hu, Yutao Chen, Pinshan Wang

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Abstract

The first experimental demonstration of the physical mechanism underlying multi-electron-beam Cherenkov free-electron lasers has been carried out. Electron beams of a total beam current of 280 A at 500 kV were introduced into a multi-dielectric cavity and stimulated Cherenkov radiation of 1.7 MW at 33.4 GHz was generated. The interaction efficiency was about 1.2%.

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What this paper is about

The first experimental demonstration of the physical mechanism underlying multi-electron-beam Cherenkov free-electron lasers has been carried out. Electron beams of a total beam current of 280 A at 500 kV were introduced into a multi-dielectric cavity and stimulated Cherenkov radiation of 1.7 MW at 33.4 GHz was generated. The interaction efficiency was about 1.2%.

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OpenAlex reports 10 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The first experimental demonstration of the physical mechanism underlying multi-electron-beam Cherenkov free-electron lasers has been carried out. Electron beams of a total beam current of 280 A at 500 kV were introduced into a multi-dielectric cavity and stimulated Cherenkov radiation of 1.7 MW at 33.4 GHz was generated. The interaction efficiency was about 1.2%.

Key concepts: Cherenkov radiation, Cathode ray, Electron, Laser, Optics, Physics, Beam (structure), Free-electron laser

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