ShareALTERNATING CURRENT LOSS MEASUREMENTS ON SUPERCONDUCTORS IN THE MICROWATT RANGE.
Author(s) : SCHMIDT C., SPECHT E.
Type of article: Article
Summary
THE AUTHORS DESCRIBE THE DEVELOPMENT OF A TECHNIQUE WHICH ALLOWS THE MEASUREMENT OF ALTERNATING CURRENT LOSSES WITH A RESOLUTION OF 0.01 MICROWATT. THE METHOD IS SIMILAR TO A THERMAL CONDUCTIVITY MEASUREMENT. THE SAMPLE IS PLACED INTO A VACUUM VESSEL AND CONNECTED VIA A THERMAL RESISTANCE TO THE LIQUID-HELIUM BATH. LOSSES IN AN ALTERNATING MAGNETIC FIELD LEAD TO A TEMPERATURE INCREASE WHICH IS A MEASURE OF THE DISSIPATED POWER. CALIBRATION IS DONE WITH AN OHMIC HEATER CONNECTED TO THE SAMPLE.
Details
- Original title: ALTERNATING CURRENT LOSS MEASUREMENTS ON SUPERCONDUCTORS IN THE MICROWATT RANGE.
- Record ID : 1991-0052
- Languages: English
- Source: Rev. sci. Instrum. - vol. 61 - n. 3
- Publication date: 1990
- Document available for consultation in the library of the IIR headquarters only.
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