Calorimetric measurements of single‐pulse high‐power microwaves in oversized waveguides

Calorimetric measurements of single‐pulse high‐power microwaves in oversized waveguides

A method for measuring the peak power of a single microwave pulse in an oversized circular waveguide is presented. This measurement technique uses a new circular waveguide calorimeter to measure the total energy of the microwave pulse. The peak power is determined from the total energy and by measur...

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Veröffentlicht in:Rev. Sci. Instrum.; (United States) 1986-05, Vol.57 (5), p.855-858
Hauptverfasser: Wharton, C. B., Earley, L. M., Ballard, W. P.
Format: Artikel
Sprache:eng
Schlagworte:
440300 - Miscellaneous Instruments- (-1989)
CALORIMETRY
ELECTROMAGNETIC RADIATION
ENERGY
MICROWAVE POWER TRANSMISSION
MICROWAVE RADIATION
OTHER INSTRUMENTATION
PLASMA DIAGNOSTICS
POWER RANGE 100-1000 MW
POWER TRANSMISSION
PULSES
RADIATIONS
WAVEGUIDES
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Zusammenfassung:A method for measuring the peak power of a single microwave pulse in an oversized circular waveguide is presented. This measurement technique uses a new circular waveguide calorimeter to measure the total energy of the microwave pulse. The peak power is determined from the total energy and by measuring the pulse shape with a fast diode detector connected to a circular waveguide directional coupler. Measurements have been made at 3.15 GHz for power levels up to 200 MW. Pulse widths were varied between 5 and 50 ns giving pulse energies between 1 and 10 J.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1138824