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Noise thermometers in millidegree range

MAY 01, 1972

DOI: 10.1063/1.3070848

John Wheatley is known for his work at very low temperatures. When we recently visited his laboratory deep underground in Urey Hall at the University of California in La Jolla, Wheatley told us that he is excited about a noise thermometer that has its instrumental noise limit in the microdegree region. In work with Richard Webb and Robin Gifford this thermometer has measured 5 millideg K.

This Content Appeared In
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Volume 25, Number 5

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