Author/Authors :
Doria، نويسنده , , A and Gallerano، نويسنده , , G.P and Giovenale، نويسنده , , E and Messina، نويسنده , , G and Asgekar، نويسنده , , V.B and Doucas، نويسنده , , G and Kimmitt، نويسنده , , M.F and Brownell، نويسنده , , J.H and Walsh، نويسنده , , J.E، نويسنده ,
Abstract :
We report the first results from an experiment aimed at a detailed study of the interaction of an electron beam with a metallic grating (the Smith–Purcell effect). The electron beam energy was 2.3 MeV (total) and the emitted far infrared radiation was observed at emission angles in the 35–45° range. The observed signal was about 3 orders of magnitude stronger than anticipated by incoherent emission theory.
Keywords :
electron beam , Smith–Purcell radiation , Metal grating , free electron laser
