Ultra-Sensitive Measurement of Sheath Electric Fields by Laser-Induced Fluorescence-Dip Spectroscopy
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概要
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Laser spectroscopic electric field measurements have become a versatile tool for the diagnostics of low-temperature plasmas. High spatial and temporal resolutions can be achieved, and from the measured field structures, other important quantities like voltage, displacement current, or even the plasma density can be inferred directly. A variety of different techniques has been developed over the past two decades since the first experiments were performed by Gottscho in 1987. One of the most successful and sensitive techniques is fluorescence-dip spectroscopy. This general technique has been applied to hydrogen, helium, argon, krypton, and xenon discharges and gas mixtures containing theses gases. In this paper, an introduction to the technique with special emphasis to results obtained in hydrogen and argon is presented. Further a brief review on the general field of laser electric field measurement in low-temperature plasmas and related questions on use of the Stark effect is provided.
- 社団法人プラズマ・核融合学会の論文
- 2007-03-25
著者
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SASAKI Koichi
Department of Electronics, Nagoya University
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CZARNETZKI Uwe
Institut fur Laser-und Plasmaphysik, Universitat GH Essen
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Sasaki Koichi
Nagoya Univ. Nagoya Jpn
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Czarnetzki Uwe
Institute For Plasma And Atomic Physics Ruhr-university
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Czarnetzki Uwe
Institut Fur Laser-und Plasmaphysik Universitat Gh Essen
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Sasaki Koichi
Department Of Electrical Engineering And Computer Science Nagoya University
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