Characteristics of low-energy intense ion beam formation and transport

Goncharov, A.A.; Protsenko, I.M.; Dobrovolsky, A.N.
March 1996
Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p1073
Academic Journal
Discusses low-energy wide aperture metal ion beam production and transport by MEVVA type ion sources. Difficulty of measuring the radial profile of the static potential by the noise produced by the plasma lens (PL); Beam transport improving effect of the PL; Contribution of the suppressor grid secondary electrons to the charge-compensation plasma medium.


Related Articles

  • Extraction of high current Cr ion beam from a multicusp metal ion source. Yamashita, Takatoshi; Inouchi, Yutaka; Fujiwara, Shuichi; Matsuda, Yasuhiro; Inami, Hiroshi; Matsunaga, Kouzi; Matsuda, Koji // Review of Scientific Instruments;Apr94, Vol. 65 Issue 4, p1269 

    Improvements have been made in a metal ion source, which made it possible to produce high density metal vapor plasma for extracting high current metal ion beams. Experiments of chromium ion beam extraction were performed. The ion beam current reached 250 mA at the extraction voltage of 36 kV....

  • Broad, intense, quiescent beam of singly charged metal ions obtained by extraction from self-sputtering plasma far above the runaway threshold. Anders, AndrĂ©; Oks, Efim // Journal of Applied Physics;Jul2009, Vol. 106 Issue 2, p023306 

    Dense metal plasmas obtained by self-sputtering far above the runway threshold are well suited to generate intense quiescent ion beams. The dilemma of high current density and charge state purity can be solved when using target materials of low surface binding energy by utilizing nonresonant...

  • Ballistic cross-field ion beam propagation in a magnetoplasma. Papadopoulos, K.; Mankofsky, A.; Davidson, R. C.; Drobot, A. T. // Physics of Fluids B: Plasma Physics;Apr91, Vol. 3 Issue 4, p1075 

    Long range cross-field ion beam propagation in a magnetoplasma has been studied in the high kinetic beta regime by using computer simulations and analytic techniques. A new regime of long range ballistic beam propagation has been discovered for narrow high-density beams. Ion beams with...

  • Upconversion of lower-hybrid waves by gyrating ion beams in a plasma. Sharma, O. P.; Patel, V. L. // Physics of Fluids (00319171);Nov85, Vol. 28 Issue 11, p3328 

    A gyrating ion beam, with ring shape distribution in velocity space, supports negative energy modes near the harmonics of beam gyrofrequency. An investigation of the nonlinear interaction of high-frequency lower-hybrid waves with the negative energy beam cyclotron mode is made. A nonlinear...

  • Final focusing of intense ion beams with radially nonuniform current density z discharges. Watrous, J. J.; Ottinger, P. F. // Physics of Fluids B: Plasma Physics;Dec89, Vol. 1 Issue 12, p2470 

    The spot size and focal length of a one-eighth betatron wavelength final focusing cell with a nonuniform current density distribution are predicted. The final focusing cell is modeled with an azimuthal magnetic field distribution that varies as rN. A Lie transform method is used to determine the...

  • Nonlinear charge and current neutralization of an ion beam pulse in a pre-formed plasma. Kaganovich, Igor D.; Shvets, Gennady; Startsev, Edward; Davidson, Ronald C. // Physics of Plasmas;Sep2001, Vol. 8 Issue 9 

    The propagation of a high-current finite-length ion beam in a cold pre-formed plasma is investigated. The outcome of the calculation is the quantitative prediction of the degree of charge and current neutralization of the ion beam pulse by the background plasma. The electric and magnetic fields...

  • Steady-state erosion of propagating ion beams. Rose, D. V.; Genoni, T. C.; Welch, D. R. // Physics of Plasmas;Mar2002, Vol. 9 Issue 3, p1053 

    A steady-state analytic model of beam erosion is presented and compared with two-dimensional hybrid particle-in-cell simulations of 100 MeV to 2 GeV proton beams propagating in a dense background gas. The analytic model accounts for nonzero beam erosion front velocities and the finite energies...

  • Plasma flows and fluctuations in intense ion-beam diodes. Litwin, C.; Maron, Y.; Sarid, E. // Physics of Plasmas;Mar1994, Vol. 1 Issue 3, p758 

    Studies plasma flows and fluctuations in intense ion-beam diodes. Cold plasma dispersion relation; Thermal and collisional effects; Saturated fluctuation level.

  • A cold-cathode source of low-energy low-divergent broad ion beams. Gavrilov, N. V.; Gavrilov, N.V.; Emlin, D. R.; Emlin, D.R.; Kuleshov, S. V.; Kuleshov, S.V. // Review of Scientific Instruments;Oct2000, Vol. 71 Issue 10 

    This article presents a study of the effect of a magnetic field (5-30 mT) and the potential difference between the discharge plasma and the screen electrode of the accelerating-decelerating ion optics on the performance of the ion plasma emitter and on the parameters of the ion beam in a...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics