Physics – Instrumentation and Detectors
Scientific paper
2011-05-02
Electronics Letters, vol. 47, no. 9, pp. 550-551, 2011
Physics
Instrumentation and Detectors
11 pages, 2 figures, 1 table
Scientific paper
10.1049/el.2011.0089
We present a proof-of-concept experiment to realize microwave primary power standard with a true-twin microcalorimeter. Double feeding line microcalorimeters are widely used by National Metrology Institutes. A drawback concerns the system calibration: traditional processes changes measurement conditions between system characterization and the measurement stage. Nevertheless, if the feeding lines are made twin, a measurement scheme that avoids separate characterization can be applied, equations simplify and time consumption is halved. Here we demonstrates the feasibility of the idea. The result of an effective efficiency spectroscopy of a thermoelectric power sensor is compared with figures obtained with well established methods.
Brunetti Luciano
Oberto Luca
Sellone Marco
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