Preliminary results of a 600 joules small plasma focus device

S. H. Lee, S. L. Yap, C. S. Wong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


Preliminary results of a 600 J (3.7 μF, 18 kV) Mather type plasma focus device operated at low pressure will be presented. The discharge is formed between a solid anode with length of 6 cm and six symmetrically and coaxially arranged cathode rods of same lengths. The cathode base is profiled in a knife-edge design and a set of coaxial plasma gun are attached to it in order to initiate the breakdown and enhance the current sheath formation. The experiments have been performed in argon gas under a low pressure condition of several microbars. The discharge current and the voltage across the electrodes during the discharge are measured with high voltage probe and current coil. The current and voltage characteristics are used to determine the possible range of operating pressure that gives good focusing action. At a narrow pressure regime of 9.0 ± 0.5 μbar, focusing action is observed with good reproducibility. Preliminary result of ion beam energy is presented. More work will be carried out to investigate the radiation output.

Original languageEnglish (US)
Title of host publicationFrontiers in Physics - 3rd International Meeting, IMFP 2009
Number of pages4
StatePublished - 2009
Event3rd International Meeting on Frontiers in Physics, IMFP 2009 - Kuala Lumpur, Malaysia
Duration: Jan 12 2009Jan 16 2009

Publication series

NameAIP Conference Proceedings
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616


Conference3rd International Meeting on Frontiers in Physics, IMFP 2009
CityKuala Lumpur

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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