Wave Phenomena in Helicon Plasma
Employing of the electrodeless, low-pressure inductive discharges (ICPs) is preferable in many applications. A helicon discharge, which is known as the most efficient magnetized ICP [1], operates with excitation of electromagnetic helicon waves (whistlers) obeying the dispersion relation w=wcek₂kc²/...
Збережено в:
| Дата: | 2003 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2003
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| Назва видання: | Вопросы атомной науки и техники |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/110419 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Wave Phenomena in Helicon Plasma / V.F. Virko, G.S. Kirichenko, K.P. Shamrai // Вопросы атомной науки и техники. — 2003. — № 1. — С. 56-61. — Бібліогр.: 18 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | Employing of the electrodeless, low-pressure inductive discharges (ICPs) is preferable in many applications. A helicon discharge, which is known as the most efficient magnetized ICP [1], operates with excitation of electromagnetic helicon waves (whistlers) obeying the dispersion relation w=wcek₂kc²/w²pe where wpe and wce are the electron plasma and cyclotron frequencies, and k = (k₂²+k₁²)¹/² is the total wave number. In a radially bounded plasma, the wave fields vary as exp[i(kzz-wt-mq)] where m is the azimuthal wavenumber. Helicons are excited by external rf antennas of various designs and propagate into plasma giving rise to various wave phenomena that considerably affect the discharge operation. Some of these phenomena are examined below experimentally and theoretically. |
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