Radiation Thermopiles for Use at Liquid Air Temperatures
- 1 July 1933
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 4 (7) , 382-384
- https://doi.org/10.1063/1.1749151
Abstract
Based on observations of thermoelectric power and the Wiedemann‐Franz ratio λ/κ, a compensated radiation thermopile has been built and operated in a vacuum at low temperatures, which shows a more than tenfold increase in sensitivity when operated at the temperature of liquid oxygen, as compared to operation at 25°C.Keywords
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