1982
DOI: 10.1002/ctpp.19820220207
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Probe Measurements in a Beam Plasma Discharge

Abstract: The influence of the beam energy and beam current density on the parameters of the plasma is investigated. The efficiency of carrier generation by collective interactions (Langmuir-oscillations) is compared with that by the single collision mechanism. The additional negative charging of the static probe caused by the beam electrons is used for the determination of the beam electron density. , IntroductionAboiit 15 or 20 pears ago the beam generated plasma got importance as a means of generating high frequency … Show more

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Cited by 5 publications
(7 citation statements)
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“…1 the electrons in the beanigenerated plasma have a Maxwellian velocity distribution. This has been confirmed experimentally up to about q = 12 [15]. It is possible to regulate the electron temperature by varying the distance between probe and beam axis [15].…”
Section: Methodsmentioning
confidence: 54%
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“…1 the electrons in the beanigenerated plasma have a Maxwellian velocity distribution. This has been confirmed experimentally up to about q = 12 [15]. It is possible to regulate the electron temperature by varying the distance between probe and beam axis [15].…”
Section: Methodsmentioning
confidence: 54%
“…(In order to bring the floating potentials given by formula (6) in coincidence with the measured ones, cf. [15], ni must be fitted to to be found where the probe current of the single probe characteristic has the same amount but the opposite sign. Then the function i(ql + qr) yields one branch of the double probe characteristics, the other one is obtained by reflection.…”
Section: Moreover In T(s) the Experimental Fact Is Taken Into Accounmentioning
confidence: 99%
“…5 presents the plasma density radial distributions while neon density grows from zero up to 3. 5 . 1013 with crypton density equal to 2.5 .…”
Section: K K Gadeev a V Denkevits A A Ivanov E T Al Beam Plmentioning
confidence: 95%
“…3a, 3b show plasma density and space potential in dependenoe on the distance from the chamber axis ( r ) a t the discharge with crypton as a working gas, crypton density is no = 7. 5 . lola ~m -~, Ub = 4.5 kV, Ib = 0.7 A, radial voltage u, changes from zero to 50 V. Fig.…”
mentioning
confidence: 95%
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