Observation Of Ubitron Fundamental Mode Amplification

Robert H. Jackson; Dean E. Pershing; Hans Bluem

doi:10.1117/12.978365

18 November 1989 Observation Of Ubitron Fundamental Mode Amplification

Robert H. Jackson, Dean E. Pershing, Hans Bluem

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978365
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

Abstract

Operation of a ubitron/FEL amplifier is reported. The experiment has been operated using the fundamental wiggler harmonic interaction with the TE11 circular waveguide mode. Small signal gains as high as 12dB have been observed at a voltage 15% below design level with a minimum instantaneous bandwidth exceeding 25%. A gain per free-space wavelength approaching 0.9dB/λ has been achieved. Experimental results are compared with small signal calculations and future plans are discussed.

Citation Download Citation

Robert H. Jackson, Dean E. Pershing, and Hans Bluem "Observation Of Ubitron Fundamental Mode Amplification", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978365

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