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Development of a Miniaturized Cooling System for HTS Antennas

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Advances in Superconductivity XII

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Abstract

A miniaturized cooling system for HTS antennas was developed using a Stirling cryocooler. Its structure and the property of a patch antenna installed in this system are reported. The system showed sufficient cooling ability to cool HTS microwave devices in spite of its portable size and weight. When a patch antenna was installed in this system, radiation from the antenna was focused to the front direction and its gain was enhanced by 11.2 dB. This fact was confirmed not only experimentally but also theoretically.

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References

  1. Z. Y. Shen,High-Temperature Superconducting Microwave Circuits, (Artech House, Boston, 1994)

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  2. K. Ehata, M. I. Ali, M. Kusunoki, S. Ohshima, IEEE Trans. Appl Supercond., 9, 3081–3085 (1999)

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  3. K. Ehata, M. Kusunoki, S. Ohshima, H. Kinder, Advances in Superconductivity X (Springer-Verlag, Tokyo, 1998), pp. 1153–1156.

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Authors and Affiliations

  1. Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata, 992-8510, Japan

    K. Ehata, M. I. Ali, K. Sato, M. Kusunoki, M. Mukaida & S. Ohshima

  2. Sumitomo Heavy Industries, Ltd., 63-30 Yuhigaoka, Hiratsuka, Kanagawa, 254-0806, Japan

    Y. Suzuki & K. Kanao

Authors
  1. K. Ehata
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  2. M. I. Ali
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  3. K. Sato
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  4. M. Kusunoki
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  5. M. Mukaida
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  6. S. Ohshima
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  7. Y. Suzuki
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  8. K. Kanao
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Editor information

Editors and Affiliations

  1. New Industry Creation Hatchery Center, Research Institute of Electrical Communication, Tohoku University, 2-1-1 Katahira, 980-8577, Aoba-ku, Sendai, Japan

    Tsutomu Yamashita (Professor) (Professor)

  2. Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, 135-0062, Koto-ku, Tokyo, Japan

    Kei-ichi Tanabe (Director, Division 6) (Director, Division 6)

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© 2000 Springer Japan

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Cite this paper

Ehata, K. et al. (2000). Development of a Miniaturized Cooling System for HTS Antennas. In: Yamashita, T., Tanabe, Ki. (eds) Advances in Superconductivity XII. Springer, Tokyo. https://doi.org/10.1007/978-4-431-66877-0_317

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  • DOI: https://doi.org/10.1007/978-4-431-66877-0_317

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-70270-2

  • Online ISBN: 978-4-431-66877-0

  • eBook Packages: Springer Book Archive

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