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An impedance method of determining the input-to-holometer-element power-transfer efficiency of bolometer mounts of the type used in micro wave power measurements is formulated, and the theoretical basis of the method is outlined. The method stems from the consideration of the bolometer mount as a transducers Under certain conditions, which are discussed, this transducer is representable as a two terminal-pair network and its parameters can be determined, essentially as in the case of ordinary networks, from observation of input impedance (in waveguide or coaxial line) as a function of load impedance (bolometer resistance) Convenient formulas are given for the calculation of power-transfer efficiency from such impedance data. Note; Inasmuch as experimental work on this method is continuing, the theoretical portion of the material is issued now as a CKPL report. It is hoped that this material, together with experimental results, can eventually be published.

Determination of efficiency of microwave bolometer mounts from impedance data