Abstract
IN an earlier note1, a method of measuring microwave power by radiation pressure was described. Some experimental results have now been obtained. The power to be measured was fed through an uncompensated wave-guide T-junction to a matched water-load forming part of a balanced calorimeter power-measuring apparatus of the type described by L. B. Turner2. This provides a reliable independent measurement of the power.
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References
Nature, 163, 403 (1949).
J. Inst. Elect. Eng., 93, IIIA, No. 9, 1467 (1946).
Watson, W. H., “Wave Guide Transmission and Antenna Systems”, 115 (Oxford Univ. Press).
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CULLEN, A. Absolute Measurement of Microwave Power by Radiation Pressure. Nature 165, 726 (1950). https://doi.org/10.1038/165726a0
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DOI: https://doi.org/10.1038/165726a0
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