Parameters of gyrotron electron beams measured by the method of retarding fields

B. Piosczyk

doi:10.1117/12.2298363

14 December 1992 Parameters of gyrotron electron beams measured by the method of retarding fields

B. Piosczyk

Proceedings Volume 1929, 17th International Conference on Infrared and Millimeter Waves; 19296U (1992) https://doi.org/10.1117/12.2298363
Event: 17th International Conference on Infrared and Millimeter Waves, 1992, Pasadena, CA, United States

Abstract

In order to measure the velocity distribution of a gyrotron electron beam an experimental set-up based on the method of retarding fields has been constructed. On an electron beam of a magnetron injection gun which has been used in a 140 GHz, TE0,3 gyrotron a velocity spread of ov_i- Ã‚Â±15% has been found up to currents of about 10 A. Above that, the spread Syl_ did increase up to Ã‚Â±30% at 20 A. The experimental values are significantly higher than the values calculated with EGUN. The measured value of the average velocity ratio, however, is in reasonable agreement with numerical results.

Citation Download Citation

B. Piosczyk "Parameters of gyrotron electron beams measured by the method of retarding fields", Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19296U (14 December 1992); https://doi.org/10.1117/12.2298363

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