ELECTRON BEAM ANALYSIS TECHNIQUES
Final rept. 15 Aug 1966-15 Aug 1967
CORNELL AERONAUTICAL LAB INC BUFFALO NY
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The feasibility of using a nonintercepting electron beam probe for obtaining the properties of linear electron beams as used in microwave tubes has been demonstrated. The nonintercepting probe employs the technique of injecting an atomic, molecular, or ionic beam normal to the electron beam and the determination of the electron beam properties from the photon emissions resulting from the interactions of the two beams. The use of this technique for analyzing crossed-field beams should be feasible because the density of crossed- field beams is about two orders of magnitude greater than that of the linear beam that has been studied. The major problem anticipated in the analysis of crossed-field beams is in the instrumentation of a crossed-field device. Through the use of miniaturized probing beam generators and fiber optics it is anticipated that this instrumentation problem will be solved.
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