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Design and operation of a thermal sensor with micrometer-spatial resolution

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Abstract

We have developed a simple superconducting thin film device that can be used as either a thermometer or a thermal conductivity sensor. Over a narrow range the device has somewhat better temperature resolution than a conventional germanium thermometer, but its main advantage is that it has very high spatial resolution. The fabrication and operation of the device are described, together with preliminary results of experiments in which it is used to study liquid4He very nearT λ. Potential improvements are also discussed.

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Authors and Affiliations

  1. Department of Physics, Purdue University, West Lafayette, Indiana

    G. Jin & N. Giordano

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  1. G. Jin
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  2. N. Giordano
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Jin, G., Giordano, N. Design and operation of a thermal sensor with micrometer-spatial resolution. J Low Temp Phys 81, 55–69 (1990). https://doi.org/10.1007/BF00683152

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  • DOI: https://doi.org/10.1007/BF00683152

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