A Mueller bridge set for cryogenic temperature measurements

J.M. Diamond

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    An a.c. Mueller bridge set for resistance thermometry at cryogenic temperature is described. A commercial tuned null detector is used at an operating frequency of 1025 c/s. The set includes a high stability oscillator, line reject filter, phase shifter, Q multiplier and selector box. The latter permits the dissipation in the thermometers not being measured to be maintained at the operating level with direct current. A temperature change of the order of 10 μdegK can be detected with 10-8 W applied to the thermometer.
    Original languageEnglish
    JournalJournal of Scientific Instruments
    Volume43
    Pages (from-to)576-580
    DOIs
    Publication statusPublished - 1966

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