利用微光攝像研究笛形空心陰極放電的一些結果
SOME RESULTS OF THE RESEARCH ON THE FLUTE-TYPE HOLLOW CATHODE DISCHARGE USING A LOW-LIGHT LEVEL TV CAMERA
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摘要: 用目前國際上最靈敏的一種微光攝像機電子倍增硅靶微光攝像機對笛形空心陰極放電的著火過程進行了觀祭研究;對光發(fā)展的機理提出了理論解釋;判明了放電的發(fā)展存在兩個階段,即陽極與陰極管外空間的自持暗放電階段和放電通過小孔進入陰極管內的階段。對應于這兩個階段,存在兩個過程,即小孔周圍金屬表面上的過程和陰極內表面上的過程。根據(jù)上述結果,對目前流行的笛形空心陰極的幾何參數(shù)設計準則進行了討論。
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關鍵詞:
Abstract: The breakdown processes of the flute-type hollow cathode discharge was observed by a low-light level TV eamera of the SEM (Silicon Electron Multiplication) type, the most sensitive one of low-light level cameras of modern industry. An explantion for the mechanism of light developmen was presented. The light development was divided into two stages, i.e., the stage (1st stage) of self-sustained dark discharge developed in the space between the anode bar and the outer-side of the flute tube, and the stage (2nd stage) of entering of dischage through the hole into the flute tube. corresponding to the two stages, there are two -processes, one existing at the metal surface around the hble and the other at the inner surface of the cathode. According to the above results, a discussion on the current principle of the design of geometrical parameters of the flute type was given. -
K. H. Wagner, Z. Phys. (Germany), 204(1967), 177.[2]K. H. Wagner, CRI VI Conf. Int. Phenomenes dIonisation dans les Gas, (Paris, S. E, R. M. A), 2(1963), pp. 309-311.[3]J. Kappitz, Z. Naturf orsch. A(Germany), 26a(1971), 700.[4]Kan-Ichi Fujii, Jpn. J. Appl. Phys. 13(1974), 571.[5]Kan-Ichi Fujii, IEEE J. of QE, Vol. QE-15 (1979), 35. -
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