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Proceedings Paper

Observation Of Ubitron Fundamental Mode Amplification
Author(s): Robert H. Jackson; Dean E. Pershing; Hans Bluem
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Paper 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.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978365
Show Author Affiliations
Robert H. Jackson, Naval Research Laboratory (United States)
Dean E. Pershing, Mission Research Corporation (United States)
Hans Bluem, University of Maryland (United States)


Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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