RNDr. Jaromír Zajac [ Scientific Worker, Tokamak Department ]

Place: Tokamak Building, Office: F 101
Tel.: (+420) 266 052940
Fax: (+420) 286 890 448
Email: zajac@ipp.cas.cz

Research Interests

Education

1981Master's degree
Faculty of Natural Sciences, Masaryk University in Brno
Diploma Thesis: Plasma polymerized materials for electron lithography

Research experience

2002-presentresearcher
Institute of Plasma Physics, Czech Academy of Sciences, Prague

Research projects

2014-2016Study of dynamics of the edge transport barrier on the COMPASS tokamak
Co-investigator
Provider: Czech Science Foundation; Project ID: GA14-35260S
2008-2012Electron cyclotron emission and Bernstein waves
Co-investigator
Provider: Czech Science Foundation; Project ID: GA202/08/0419
2006-2011 European Network for Training Ion Cyclotron Engineers
Co-investigator
Provider: European Union; Project ID: *FP6-042859
2006-2010Engineering of Optical Diagnostics for ITER
Co-investigator
Provider: European Union; Project ID: *FP6-042884
2003-2005 Experimental and Theoretical Investigation of the Role of Microturbulence and Electric Fields
Co-investigator
Provider: European Union; Project ID: 2001-2056

List of Publications

2016Ermak G.P., Varavin A.V., Vasilev A.S., Fateev A.S., Žáček F., Zajac J., Varavin M., Zorenko A.: Two frequency heterodyne interferometer based on phase locked 2 - millimeter wave transceivers. 9th International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves, MSMW 2016. Kharkiv: Institute of Electrical and Electronics Engineers Inc, 2016, s. 1-4. IEEE Xplore. ISBN 978-150902266-3.
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[ Link ]
 
[International Kharkiv Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves, MSMW 2016/9./. Kharkiv (UA), 20.06.2016-24.06.2016]
2015Pánek R., Adámek J., Aftanas M., Bílková P., Böhm P., Brochard F., Cahyna P., Cavalier J., Dejarnac R., Dimitrova M., Grover O., Harrison J., Háček P., Havlíček J., Havránek A., Horáček J., Hron M., Imríšek M., Janky F., Kirk A., Komm M., Kovařík K., Krbec J., Kripner L., Markovič T., Mitošinková K., Mlynář J., Naydenkova D., Peterka M., Seidl J., Stöckel J., Štefániková E., Tomeš M., Urban J., Vondráček P., Varavin M., Varju J., Weinzettl V., Zajac J.: Status of the COMPASS tokamak and characterization of the first H-mode. Plasma Physics and Controlled Fusion 58 [1] (2015) 014015-014015.
[ Abstract ]
[ Link ]
 
2013Ermak G.P., Varavin A.V., Vasilev A.S., Stumbra M., Fateev A.S., Žáček F., Zajac J., Varavin M., Shevchenko V.: Two-wavelength millimeter wave “unambiguous” heterodyne interferometer. Proceedings - 2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves, MSMW 2013. Kharkov : IEEE, 2013, s. 529-531. ISBN 978-1-4799-1066-3.
[ Abstract ]
[ Link ]
 
[International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves, MSMW 2013. Kharkov (UA), 23.06.2013-28.06.2013]
 Havlíček J., Zajac J.: Design and Preliminary Results of the COMPASS Power Supplies Filters. Proceedings of the 22nd Annual Conference of Doctoral Students – WDS 2013. Prague : MATFYZPRESS, 2013 - (Šafránková, J.; Pavlů, J.), s. 91-96 ISBN 978-80-7378-251-1. - (WDS).
[ Abstract ]
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[Annual Conference of Doctoral Students – WDS 2013 /22./. Praha (CZ), 04.06.2013-07.06.2013]
 Varavin M., Zajac J., Žáček F., Nanobashvili S., Ermak G., Varavin A., Vasilev A., Stumbra M., Vetoshko A., Fateev A., Shevchenko V.: Modernization and calibration of interferometer of TOKAMAK 'Compass'. Proceedings - 2013 International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves, MSMW 2013. Kharkov : IEEE, 2013, s. 571-575. ISBN 978-1-4799-1066-3.
[ Abstract ]
[ Link ]
 
[International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves, MSMW 2013. Kharkov (UA), 23.06.2013-28.06.2013]
2012Zajac J., Preinhaelter J., Urban J., Aftanas M., Bílková P., Böhm P., Fuchs V., Nanobashvili S., Weinzettl V., Žáček F.: First results from EBW emission diagnostics on COMPASS. Review of Scientific Instruments 83 [10] (2012) 10E327-10E327.
[ Abstract ]
[ Link ]
 
[Topical Conference on High-Temperature Plasma Diagnostics/19./. Monterey, 06.05.2012-10.05.2012]
 Aftanas M., Böhm P., Bílková P., Weinzettl V., Zajac J., Žáček F., Stöckel J., Hron M., Pánek R., Scannell R., Walsh M.: High-resolution Thomson scattering system on the COMPASS tokamak: Evaluation of plasma parameters and error analysis. Review of Scientific Instruments 83 [10] (2012) 10E350-10E350.
[ Abstract ]
[ Link ]
 
[Topical Conference High-Temperature Plasma Diagnostics/19./. Monterey, 06.05.2012-10.05.2012]
 Preinhaelter J., Zajac J., Urban J., Fuchs V., Aftanas M., Bílková P., Böhm P., Nanobashvili S., Weinzettl V., Žáček F.: New results from EBW emission experiment on COMPASS. EPS Europhysics Conference Abstracts Volume 36F – Contributed papers. Mulhouse : European Physical Society, 2012 - (Ratynskaya, S.; Blomberg, L.; Fasoli, A.), P1.064-P1.064 ISBN 2-914771-79-7. - (Europhysics Conference Abstracts).
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[European Physical Society Conference on Plasma Physics & 16th International Congress on Plasma Physics (EPS/ICPP 2012)/39./. Stockholm (SE), 02.07.2012-06.07.2012]
2011Weinzettl V., Pánek R., Hron M., Stöckel J., Žáček F., Havlíček J., Bílková P., Naydenkova D., Háček P., Zajac J., Dejarnac R., Horáček J., Adámek J., Mlynář J., Janky F., Aftanas M., Böhm P., Brotánková J., Šesták D., Ďuran I., Melich R., Jareš D., Ghosh J., Anda B., Veres G., Szappanos A., Zoletnik S., Berta M., Shevchenko V. F., Scannell R., Walsh D., Müller H. W., Igochine V., Silva A., Manso M., Gomes R., Popov Tsv., Sarychev D., Kiselov V.K., Nanobashvili S.: Overview of the COMPASS diagnostics. Fusion Engineering and Design 86 [6-8] (2011) 1227-1231.
[ Link ]
 
[Symposium of Fusion Technology (SOFT-26). Porto, 27.09.2010-01.10.2010]
 Pánek R., Aftanas M., Bílková P., Böhm P., Havlíček J., Horáček J., Hron M., Janky F., Naydenkova D., Stöckel J., Urban J., Weinzettl V., Zajac J., Žáček F.: First results of the COMPASS tokamak. Acta Technica CSAV 56 [-] (2011) T31-T42.
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[ Link ]
 
[Symposium on plasma physics and technology/24th./. Prague, 14.06.2010-17.06.2010]
2010Havlíček J., Kudláček O., Janky F., Horáček J., Beňo R., Valcárcel D.F., Fixa J., Brotánková J., Zajac J., Hron M., Pánek R., Cahyna P.: Status of Magnetic Diagnostics on COMPASS. WDS’10 Proceedings of Contributed Papers: Part II – Physics of Plasmas and Ionized Media. Prague : MATFYZPRESS, 2010 - (Šafránková, J.; Pavlů, J.) S. 12-17. ISBN 978-80-7378-140-8.
[ Abstract ]
[ Link ]
 
[Annual Student Conference Week of Doctoral Students 2010/19th./. Prague (CZ), 01.06.2010-04.06.2010]
 Zajac J., Preinhaelter J., Urban J., Žáček F., Šesták D., Nanobashvili S.: Electron cyclotron-electron Bernstein wave emission diagnostics for the COMPASS tokamak. Review of Scientific Instruments 81 [10] (2010) 10D911-10D911.
[ Abstract ]
[ Link ]
 
[TOPICAL CONFERENCE ON HIGH-TEMPERATURE PLASMA DIAGNOSTICS/18th./. Wildwood, New Jersey, 16.05.2010-20.05.2010]
2009Zajac J., Preinhaelter J., Urban J., Šesták D., Křivská A., Nanobashvili S.: EBW/ECE Radiometry on COMPASS tokamak – design and first measurements. RADIO FREQUENCY POWER IN PLASMAS: Proceedings of the 18th Topical Conference. AIP Conference Proceedings. Melville : American Institute of Physics, 2009 - (Bobkov, V.; Noterdaeme, J.) S. 473-476. ISBN 978-0-7354-0753-3. - (AIP Conference Proceedings. 1187).
[ Abstract ]
[ Link ]
 
[Topical Conference on Radio Frequency Power in Plasmas/18th./. Ghent (BE), 24.06.2009-26.06.2009]
 Havlíček J., Horáček J., Weinzettl V., Hronová-Bilyková O., Naydenkova D., Zajac J.: Magnetic Diagnostics for Start-up Phase of COMPASS. WDS’09 Proceedings of Contributed Papers. Prague : MATFYZPRESS, Prague, 2009 - (Šafránková, J.; Pavlů, J.) S. 148-152. ISBN 978-80-7378-102-6.
[ Abstract ]
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[Annual Conference of Doctoral Students - WDS 2009 /18th./. Prague (CZ), 02.06.2009-05.06.2009]
 Zajac J., Pánek R., Žáček F., Vlček J., Hron M., Křivská A., Hauptmann R., Daněk M., Šimek J., Prosek J.: Power supply system for COMPASS tokamak re-installed at the IPP, Prague. Fusion Engineering and Design 84 [7-11] (2009) 2020-2024.
[ Abstract ]
[ Link ]
 
[Symposium on Fusion Technology/25th./. Rostock, 15.09.2008-19.09.2008]
 Gryaznevich M., Van Oost G., Peleman P., Brotankova J., Dejarnac R., Dufkova E., Duran I., Hron M., Sentkerestiova J., Stockel J., Weinzettl V., Zajac J., Berni L.A., Del Bosco E., Ferreira J.G., Simoes F.J.R., Berta M., Dunai D., Tal B, Zoletnik S., Malaquias A., Mank G., Figueiredo H., Kuznetsov Y., Ruchko L., Hegazy H., Ovsyannikov A., Sukhov E., Vorobjev GM., Dreval N., Singh A., Budaev V., Kirnev G., Kirneva N., Kuteev B., Melnikov A., Nurov D., Sokolov M., Vershkov V., Talebitaher A., Khorshid P., Gonzales R., Neto I.E., Kraemer-Flecken AW., Soldatov V., Brotas B., Carvalho P., Coelho R., Duarte A., Fernandes H., Figueiredo J., Fonseca A., Gomes R., Nedzelski I., Neto A., Ramos G., Santos J., Silva C., Valcarcel D., Tapia C.R.G., Krupnik L.I., Petrov L., Kolokoltsov M., Herrera J., Nieto-Perez M., Czarnecka A., Balan P., Sharnin A., Pavlov V.: Results of Joint Experiments and other IAEA activities on research using small tokamaks. Nuclear Fusion 49 [10] (2009) 104026.
[ Abstract ]
[ Link ]
 
[IAEA Fusion Energy Conference/22nd./. Geneva, 13.10.2008-18.10.2008]
 Zajac J., Preinhaelter J., Urban J., Šesták D., Křivská A., Nanobashvili S.: EBE/ECE Radiometry on COMPASS Tokamak – Design and First Measurements. AIP Conference Proceedings. MELVILLE : American Institute of Physics, 2009 - (Bobkov, V.; Noterdaeme, J.) S. 473-476. ISBN 978-0-7354-0753-3. ISSN 0094-243X. - (AIP. 1187).
[ Abstract ]
[ Link ]
 
[Topical Conference on Radio Frequency in Plasmas/18th./. Gent (BE), 24.06.2009-26.06.2009]
2008Preinhaelter J., Fuchs V., Urban J., Zajac J.: PLANS for ELECTRON BERNSTEIN WAVES EMISSION DETECTION in COMPASS. Proceedings 35. European Physical Society plasma physics conference; 10. International workshop on fast ignition of fusion targets. Hersonissos, Kréta : European Physical Society, Paris, 2008 - (Lalousis, P.; Moustaizis, S.) S. 1-4. ISBN 2-914771-52-5. - (EPS Europhysics Conference Abstracts).
[ Abstract ]

[European Physical Society Conference on Plasma Physics/35th./. Hersonissos, Kréta (GR), 09.06.2008-13.06.2008]
 Žáček F., Zajac J., Kryška L., Havlíček J.: Test of potential interturn faults of COMPASS-D toroidal field coils. Acta Technica CSAV 53 [3] (2008) 287-294.
[ Abstract ]

[Symposium on Plasma Physics and Technology/23rd./. Prague, 16.06.2008-19.06.2008]
 Gryaznevich M.P., Van Oost G., Peleman P., Brotánková J., Dejarnac R., Dufková E., Ďuran I., Hron M., Sentkerestiová J., Stöckel J., Weinzettl V., Zajac J., Berni L.A., Del Bosco E., Ferreira J.G., Simoes J.R., Berta M., Dunai D., Tál B., Zoletnik S., Malaquias A., Mank G., Figueiredo H., Kuznetsov Y., Ruchko L., Hegazy H., Ovsyannikov A., Sukhov E., Vorobjev G.M., Dreval N., Singh A., Budaev V., Kirnev G., Kirneva N., Kuteev B., Melnikov A., Nurov D., Sokolov M., Vershkov V., Khorshid P., Gonzales R., El Chama Neto I., Kraemer-Flecken A.W., Soldatov V., Brotas B., Carvalho P. S., Coelho R., Duarte A., Fernandes H., Figueiredo J., Fonseca A., Gomes R., Nedzelskiy I., Neto A., Ramos G., Santos J., Silva C., Valcárcel D., Gutierrez Tapia C.R., Krupnik L.I., Petrov L., Kolokoltsov M., Herrera J., Nieto-Perez M., Czarnecka A., Balan P., Sharnin A., Pavlov V.: Results of Joint Experiments and other IAEA Activities on Research Using Small Tokamaks. Proceedings of the 22nd IAEA Fusion Energy Conference. Vienna : International Atomic Energy Agency, 2008. OV/P1-1-OV/P1-8. ISBN N.
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[IAEA Fusion Energy Conference/22nd./. Geneva (CH), 13.10.2008-18.10.2008]
2007Gryaznevich M.P., Van Oost G., Del Bosco E., Berta M., Brotánková J., Dejarnac R., Dufková E., Ďuran I., Hron M., Zajac J., Malaquias A., Mank G., Peleman P., Sentkerestiová J., Stöckel J., Weinzettl V., Zoletnik S., Tál B., Ferreira J., Fonseca A., Hegazy H., Kuznetsov Y., Ruchko L., Vorobyev G.M., Ovsyannikov A., Sukhov E., Singh A., Kuteev B., Melnikov A., Vershkov V., Kirneva N., Kirnev G., Budaev V., Sokolov M., Talebitaher A., Khorshid P., Ramos G., El Chama Neto I., Kraemer-Flecken A.W., Soldatov V., Marques Fonseca A.M., Gutierrez-Tapia C.R., Krupnik L.I.: Progress on Joint Experiments on Small Tokamaks. 34th EPS Conference on Plasma Physics. Warsaw : EPS, 2007. P-1.070-P-1.070. ISBN 978-83-926290-0-9. - (Europhysics Conference Abstracts).
[ Abstract ]
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[EPS Conference on Plasma Physics/34th./. Warsaw (PL), 02.07.2007-06.07.2007]
 Zajac J., Žáček F., Brettschneider Z., Lejsek V.: Short-term power sources for tokamaks and other physical experiments. Fusion Engineering and Design 82 [4] (2007) 369-379.
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2006Berta M., Tál B., Bencze A., Zoletnik S., Stöckel J., Hron M., Dejarnac R., Zajac J.: The spatial structure of flows, Reynolds stress and turbulence in the CASTOR tokamak. Europhysics Conference Abstracts ECA. Frascati : European Physical Society, 2006 - (De Marco, F.; Vlad, G.) P-4.074-P-4.074. ISBN 2-914771-40-1. - (Europhysics Conference Abstracts. ECA Vol.30I (2006). 301).
[ Abstract ]

[EPS Conference on Plasma Physics/33rd./. Řím (IT), 19.06.2006-23.06.2006]
 Pánek R., Hronová-Bilyková O., Fuchs V., Hron M., Chráska P., Pavlo P., Stöckel J., Urban J., Weinzettl V., Zajac J., Žáček F.: Current stastus of the project for re-installation of the COMPASS-D tokamak at IPP Prague. Proceedings of the Sixth International workshop and school „Towards Fusion Energy – Plasma Physics, Diagnostics, Spin-offs“. Kudowa Zdrój : -, 2006. s. 936-968.
[ Abstract ]

[Sixth International Workshop and Summer School Towards Fusion Energy - Plasma Physics, Diagnostics, Spin-offs. Kudowa Zdrój (PL), 18.09.2006-22.09.2006]
 Pánek R., Hronová-Bilyková O., Fuchs V., Hron M., Chráska P., Pavlo P., Stöckel J., Urban J., Weinzettl V., Zajac J., Žáček F.: Reinstallation of the COMPASS-D tokamak in IPP ASCR. Czechoslovak Journal of Physics 56 [suppl. B] (2006) 125-137.
[ Abstract ]

[Symposium on Plasma Physics and Technology/22nd./. Prague, 26.6.2006-29.6.2006]
2005Weinzettl V., Piffl V., Matějíček J., Dufková E., Zajac J., Dejarnac R., Peřina V.: THE EFFECT OF THE USE OF DIFFERENT ELECTRODE MATERIALS FOR EDGE-PLASMA BIASING ON PLASMA DENSITY AND FLOATING POTENTIAL MODIFICATIONS. Czechoslovak Journal of Physics 55 [12] (2005) 1607-1614.
[ Abstract ]

[Electric Fields, Structures and Relaxation in Edge Plasmas,. Tarragona, 3.7.2005-4.7.2005]
 Nanobashvili S., Žáček F., Zajac J.: Microwave correllation reflectometry for tokamak CASTOR. Czechoslovak Journal of Physics 55 [6] (2005) 701-719.
[ Abstract ]
 Budaev V.P., Dufková E., Nanobashvili S., Weinzettl V., Zajac J.: Multifractal analysis of plasma turbulence in biasing experiments on Castor tokamak. Czechoslovak Journal of Physics 55 [C] (2005) 1615-1621.
[ Abstract ]

[Workshop “Electric Fields, Structures and Relaxation in Edge Plasmas". Tarragona, 5.7.2005-5.7.2005]
 Budaev V.P., Dufková E., Nanobashvili S., Weinzettl V., Zajac J.: Multifractal analysis of tokamak plasma turbulence in biasing experiments. 32nd EPS Plasma Physics Conference. EPS, 2005 - (Hidalgo, C.; van Milligen, B.) P-5.019. ISBN 2-914771-24-X. - (29C).
[ Abstract ]

[European Physical Society Conference on Plasma Physics and Controlled Fusion /32nd./. Tarragona (ES), 26.6.2005-1.7.2005]
 Zajac J., Weinzettl V., Dufková E., Budaev V.P.: MULTIFRACTAL ANALYSIS OF TOKAMAK PLASMA TURBULENCE IN BIASING EXPERIMENTS. Europhysics Conference Abstracts ECA. Tarragona : European Physical Society, 2005 - (van Milligen, B.; Hidalgo, C.) P-5.019. ISBN 2-914771-24-X. - (29C).
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[ Link ]
 
[EPS Plasma Physics Conference /32nd./. Tarragona (ES), 27.06.2005-01.07.2005]
 Weinzettl V., Piffl V., Matějíček J., Dufková E., Zajac J., Peřina V.: BIASING EXPERIMENTS WITH SOLID AND POROUS ELECTRODES. Europhysics Conference Abstracts ECA. Tarragona : EPS, 2005 - (van Milligen, B.; Hidalgo, C.) P-4.006. ISBN 2-914771-24-X. - (29C).
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[EPS Plasma Physics Conference /32nd./. Tarragona (ES), 27.06.2005-01.07.2005]
2004Zajac J., Preinhaelter J., Žáček F., Nanobashvili S.: Microwave experiments on the tokamak CASTOR: fundamental ECE radiometry. Czechoslovak Journal of Physics 54 [suppl. C] (2004) C68-C73.
[ Abstract ]

[Symposium on Plasma Physics and Technology/21st./. Praha, 14.06.2004-17.06.2004]
2003Weinzettl V., Ďuran I., Zajac J., Piffl V.: Edge plasma biasing experiments on the CASTOR tokamak: spectroscopic investigation and microwave measurements. Czechoslovak Journal of Physics 53 [11] (2003) 925-935.
[ Abstract ]

[Workshop "Electric Fields Structures and Relaxation in Edge Plasmas"/6th./. St. Petersburg, 13.06.2003-14.06.2003]