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High density negative hydrogen ion production in a high power pulsed helicon discharge

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Date

2018

Authors

Santoso, Jesse
Willett, H V
Corr, Cormac

Journal Title

Journal ISSN

Volume Title

Publisher

Institute of Physics Publishing

Abstract

Temporospatially resolved measurements of negative hydrogen ion density and related parameters are observed in a 40 ms pulsed high power helicon plasma source with a magnetic mirror configuration. Exceptionally high negative ion densities of 1.2(-0.4)(-0.2) x 10(18) m(-3) are observed on the far side of the magnetic mirror during the early stages of the pulse. It is proposed that the temporal evolution of the negative ion density into the steady-state is primarily associated with neutral dynamics and depletion. This interpretation is further supported by a 2D-axisymmetric model.

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Keywords

Citation

URI

http://hdl.handle.net/1885/205436

Collections

ANU Research Publications

Source

Plasma Sources Science and Technology

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1088/1361-6595/aae705

Restricted until

2037-12-31

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01_Santoso_High_density_negative_hydrogen_2018.pdf (1.07 MB)

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