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    Wyświetlanie 1-6 z 6
    Tytuł:
    The TSL 6.4 GHz ECR ion source – status, improvements and measurements
    Autorzy:
    van Rooyen, D.
    Wessman, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/148680.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    ion source
    after-glow mode
    ECR
    Opis:
    The TSL 6.4 GHz ECR ion source performs reliably and is well optimized for the various ion species that are routinely provided for experiments. Beam intensities are comparable with other similar sources but at the lower end of the spectrum. We are thus investigating a number of methods of improvement. The development of a micro-oven for low melting point materials was successfully concluded. Further development is needed to improve the consumption rate in order to enable more effective use of expensive isotopes. Measurements with operation of the source in the after-glow mode were successful but the pulse to pulse reproducibility should be further improved. Although the maximum gain compared to the CW mode is satisfactory, accomplishing a higher factor would be even more advantageous for beams delivered to CELSIUS. A systematic study of various parameters was started in order to find optimal operating conditions running in the after-glow mode
    Źródło:
    Nukleonika; 2003, 48,suppl.2; 99-104
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Status of the Warsaw ECR ion source and injection line
    Autorzy:
    Sudlitz, K.
    Kulczycka, E.
    Filipiak, B.
    Górecki, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/148684.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    axial injection
    Electron Cyclotron Resonance (ECR)
    highly charged ions
    implantation
    ion source
    ion transport
    Opis:
    A room temperature home built 10 GHz ECR ion source delivers beams of B, C, N, O, F, Ne, S, Ar to the Cyclotron U200-P. The same ion source has also been used for surface irradiation of the solids. To upgrade the ion source and increase the ion current in the cyclotron an oven for evaporation of solid materials has been constructed and a two gap buncher has been installed in the injection line. Some new observations on the influence of the extraction system on the ion beam current will be presented.
    Źródło:
    Nukleonika; 2003, 48,suppl.2; 105-108
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First beam from the DECRIS 14-2m ion source for Slovak Republic
    Autorzy:
    Loginov, V.
    Bekhterev, V.
    Bogomolov, S.
    Efremov, A.
    Lebedev, A.
    Leporis, M.
    Yazvitsky, N.
    Zelenak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/148668.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    ECR ion source
    injector
    Opis:
    The ECR laboratory of the Cyclotron Centrum of Slovak Republic (CC SR) in Bratislava, Slovakia, consists of the DECRIS 14-2m ion source and two low energy channels. It is a complete injector, consisting of an ECR ion source, focusing and steering elements, an analyzing magnet, a vacuum system, and an ion beam diagnostic system. The DECRIS 14-2m ion source is a multiply charged heavy ion source based on the electron cyclotron resonance principle. The ECR ion source DECRIS 14-2m and other system have been designed and manufactured at the FLNR JINR. The preliminary testing (magnetic field measurements, vacuum testing and testing of ECR ion source) has been performed at FLNR JINR. The final assembly of the DECRIS 14-2m will be done at the CC SR in Bratislava.
    Źródło:
    Nukleonika; 2003, 48,suppl.2; 85-88
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Role of a biased electrode in the production of highly charged ions using the DECRIS 14-3 ion source
    Autorzy:
    Leporis, M.
    Bogomolov, S.
    Efremov, A.
    Loginov, V.
    Mironov, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/148672.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    ECR ion source
    plasma
    biased electrode
    Opis:
    ECR ion sources are used for the production of highly charged ions in various accelerator facilities. In most of them biased electrodes are normally used to increase the ion yield. Physical processes in the plasma of an ion source are quite complicated and the role of a biased electrode is not clear. To investigate the effect of a biased electrode on the intensity of extracted highly charged ions, an axially movable electrode was placed into the plasma chamber of the DECRIS 14-3 ion source. It was found that the intensity of Ar ions depends on the position of the biased electrode and negative bias voltage. The optimal position of the biased electrode was found near the maximum of the magnetic field. Experiments with a pulsed biased electrode were also carried out. The influence of the negative pulse on the ion yield depends on the ion charge state.
    Źródło:
    Nukleonika; 2003, 48,suppl.2; 89-92
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The modifications of the JYFL 6.4 GHz ECR ion source
    Autorzy:
    Koivisto, H.
    Liukkonen, E.
    Moisio, M.
    Nieminen, V.
    Suominen, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/148664.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    ECR ion source
    ion beams
    Opis:
    A new JYFL 14 GHz ECRIS was completed in spring 2000 for the nuclear physics program at the Department of Physics, University of Jyväskylä (JYFL). The old JYFL 6.4 GHz ECRIS (built in 1990-1991) is now also available for the material physics experiments and for the research and development work of the ECR ion sources. During the last year remarkable modifications to the structure of the source have been undertaken. In the first phase, which was completed in fall 2001, the axial magnetic field was optimized using the old power supplies and the coils. The radial magnetic field was improved in spring 2002 by installing an iron cylinder around the hexapole permanent magnets. According to the measurements the improvement of about 25% to the radial magnetic field was achieved. The research work to improve the ion beam quality has been started.
    Źródło:
    Nukleonika; 2003, 48,suppl.2; 81-84
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Recent development in ECR sources
    Autorzy:
    Bieth, C.
    Kantas, S.
    Sortais, P.
    Kanjilal, D.
    Rodrigues, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/148676.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    ion source
    ECR source
    superconducting coils
    high temperature superconducting wires
    high charge state ion source
    ion implantation
    Opis:
    Recent developments and improvements on the ECR ion source family at PANTECHNIK S.A. are presented. A lot of work has been done in the Ion Implantation Technology with the MICROGAN IndustryŽ source: more than 3 mA have been produced on B1+, P1+ and few hundred žAe on charge state 3+, 4+. Three other developments are described in this paper: a) the construction of the first source using high temperature superconducting coils (30 K) PKSUSŽ - Space Cryomagnetics (UK), in collaboration with NSC (New Delhi); b) the construction of the PHOENIX ECR source (used in the “1+/n+” process for radioactive beam) for different laboratories; c) and the first results on PK 2.45 (a cheap source working at 2.45 GHz) able to produce high current of monocharged beam. We will also present some special products for beam acceleration and diagnosis.
    Źródło:
    Nukleonika; 2003, 48,suppl.2; 93-98
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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