ELECTRON BEAM EXTRACTION ON PLASMA CATHODE ELECTRON SOURCES SYSTEM. The electron beam extraction through window of Plasma Generator Chamber (PGC) for Pulsed Electron Irradiator (PEI) device and simulation of plasma potential has been studied. Plasma electron beam is extracted to acceleration region for enlarging their power by the external accelerating high voltage (Vext) and then it is passed foil window of the PEI for being irradiated to any target (atmospheric pressure). Electron beam extraction from plasma surface must be able to overcome potential barrier at the extraction window region which is shown by estimate simulation (Opera program) based on data of plasma surface potential of 150 V with Ueks values are varied by 150 kV, 175 kV and 200 kV respectively. PGC is made of 304 stainless steel with cylindrical shape in 30 cm of diameter, 90 cm length, electrons extraction window as many as 975 holes on the area of (15 × 65) cm2 with extraction hole cell in 0.3 mm of radius each other, an cylindrical shape IEP chamber is made of 304 stainless steel in 70 cm diameter and 30 cm length. The research result shown that the acquisition of electron beam extraction current depends on plasma parameters (electron density ne, temperature Te), accelerating high voltage Vext, the value of discharge parameter G, anode area Sa, electron extraction window area Se and extraction efficiency value α.
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30 March 2017
INTERNATIONAL CONFERENCE ON PLASMA SCIENCE AND APPLICATIONS (ICPSA 2016)
28–30 November 2016
Langkawi - Malaysia
Research Article|
March 30 2017
Electron beam extraction on plasma cathode electron sources system
Agus Purwadi;
Agus Purwadi
a)
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Taufik;
Taufik
b)
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Lely Susita R. M.;
Lely Susita R. M.
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Suprapto;
Suprapto
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Saefurrochman;
Saefurrochman
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Anjar A. H.;
Anjar A. H.
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Kurnia Wibowo;
Kurnia Wibowo
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Ihwanul Aziz;
Ihwanul Aziz
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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Bambang Siswanto
Bambang Siswanto
1
Centre for Accelerator Science and Technology – BATAN
, Jl. Babarsari POB 6101 Ykbb, Telp. (0274) 488435, Yogyakarta 55281, Indonesia
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AIP Conf. Proc. 1824, 030031 (2017)
Citation
Agus Purwadi, Taufik, Lely Susita R. M., Suprapto, Saefurrochman, Anjar A. H., Kurnia Wibowo, Ihwanul Aziz, Bambang Siswanto; Electron beam extraction on plasma cathode electron sources system. AIP Conf. Proc. 30 March 2017; 1824 (1): 030031. https://doi.org/10.1063/1.4978849
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