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- L. S. Napoli
- RCA Laboratories, Princeton, New Jersey
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- G. A. Swartz
- RCA Laboratories, Princeton, New Jersey
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<jats:p>The configuration consisting of a dielectric rod, surrounded by a plasma shell and a concentric outer conducting cylinder, is investigated theoretically and experimentally for its propagation characteristics. It is predicted from the theory that such a configuration will support propagation in a backward wave mode (oppositely directed phase and group velocities). These backward waves were observed in experiments using a configuration essentially identical to the above (the dielectric rod had an air space down the center used to insert a probing antenna), with the plasma provided by a cesium discharge. Agreement between these observations and calculations is excellent. A forward wave was also observed at low frequencies, and is attributed to the influence of the sheath at the plasma-conductor interface. The observed dispersion curve for this forward wave is also in good agreement with that calculated using the expected sheath size of the cesium plasma-metal interface.</jats:p>
収録刊行物
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- The Physics of Fluids
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The Physics of Fluids 6 (7), 918-924, 1963-07-01
AIP Publishing
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詳細情報 詳細情報について
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- CRID
- 1360298341712774400
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- NII論文ID
- 30015747969
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- NII書誌ID
- AA00773996
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- ISSN
- 00319171
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