Study of beam optics and beam halo by integrated modeling of negative ion beams from plasma meniscus formation to beam acceleration

K. Miyamoto, S. Okuda, Akiyoshi Hatayama, M. Hanada, A. Kojima

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

To understand the physical mechanism of the beam halo formation in negative ion beams, a two-dimensional particle-in-cell code for simulating the trajectories of negative ions created via surface production has been developed. The simulation code reproduces a beam halo observed in an actual negative ion beam. The negative ions extracted from the periphery of the plasma meniscus (an electro-static lens in a source plasma) are over-focused in the extractor due to large curvature of the meniscus.

Original languageEnglish
Article number023512
JournalApplied Physics Letters
Volume102
Issue number2
DOIs
Publication statusPublished - 2013 Jan 14

Fingerprint

menisci
negative ions
halos
ion beams
optics
lenses
curvature
trajectories
simulation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Study of beam optics and beam halo by integrated modeling of negative ion beams from plasma meniscus formation to beam acceleration. / Miyamoto, K.; Okuda, S.; Hatayama, Akiyoshi; Hanada, M.; Kojima, A.

In: Applied Physics Letters, Vol. 102, No. 2, 023512, 14.01.2013.

Research output: Contribution to journalArticle

Miyamoto, K. ; Okuda, S. ; Hatayama, Akiyoshi ; Hanada, M. ; Kojima, A. / Study of beam optics and beam halo by integrated modeling of negative ion beams from plasma meniscus formation to beam acceleration. In: Applied Physics Letters. 2013 ; Vol. 102, No. 2.
@article{45a160d71471408ab4871fa457068d30,
title = "Study of beam optics and beam halo by integrated modeling of negative ion beams from plasma meniscus formation to beam acceleration",
abstract = "To understand the physical mechanism of the beam halo formation in negative ion beams, a two-dimensional particle-in-cell code for simulating the trajectories of negative ions created via surface production has been developed. The simulation code reproduces a beam halo observed in an actual negative ion beam. The negative ions extracted from the periphery of the plasma meniscus (an electro-static lens in a source plasma) are over-focused in the extractor due to large curvature of the meniscus.",
author = "K. Miyamoto and S. Okuda and Akiyoshi Hatayama and M. Hanada and A. Kojima",
year = "2013",
month = "1",
day = "14",
doi = "10.1063/1.4788725",
language = "English",
volume = "102",
journal = "Applied Physics Letters",
issn = "0003-6951",
publisher = "American Institute of Physics Publising LLC",
number = "2",

}

TY - JOUR

T1 - Study of beam optics and beam halo by integrated modeling of negative ion beams from plasma meniscus formation to beam acceleration

AU - Miyamoto, K.

AU - Okuda, S.

AU - Hatayama, Akiyoshi

AU - Hanada, M.

AU - Kojima, A.

PY - 2013/1/14

Y1 - 2013/1/14

N2 - To understand the physical mechanism of the beam halo formation in negative ion beams, a two-dimensional particle-in-cell code for simulating the trajectories of negative ions created via surface production has been developed. The simulation code reproduces a beam halo observed in an actual negative ion beam. The negative ions extracted from the periphery of the plasma meniscus (an electro-static lens in a source plasma) are over-focused in the extractor due to large curvature of the meniscus.

AB - To understand the physical mechanism of the beam halo formation in negative ion beams, a two-dimensional particle-in-cell code for simulating the trajectories of negative ions created via surface production has been developed. The simulation code reproduces a beam halo observed in an actual negative ion beam. The negative ions extracted from the periphery of the plasma meniscus (an electro-static lens in a source plasma) are over-focused in the extractor due to large curvature of the meniscus.

UR - http://www.scopus.com/inward/record.url?scp=84872743075&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84872743075&partnerID=8YFLogxK

U2 - 10.1063/1.4788725

DO - 10.1063/1.4788725

M3 - Article

VL - 102

JO - Applied Physics Letters

JF - Applied Physics Letters

SN - 0003-6951

IS - 2

M1 - 023512

ER -