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MOPRO087 |
High Voltage Generators Upgrade of Siberia-2 Injection System |
292 |
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- S.I. Tomin, A. Belkov, V. Korchuganov, I. Kuzmin, K. Kuznetsov
NRC, Moscow, Russia
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The injection system is one of the important systems which determine efficiency and reliability of the accelerator facility. The spark gap switches (SGS), which were used before at Siberia-2 in high voltage nanosecond pulse generators, are the critical components requiring permanent maintenance. SGS has a series of limitations such as a relatively large pulse jitter and a work at a high pressure nitrogen atmosphere. The new injection system uses new half-sine microsecond pulse generators which based on Pseudo-Spark Switches. Some technical aspects of the new injection system are considered and results of generators operation are shown in the article.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRO087
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WEPRO012 |
New Injection System of Siberia-2 Light Source |
1965 |
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- S.I. Tomin, V. Korchuganov
NRC, Moscow, Russia
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The storage ring Siberia-2 is SR source of second generation with circumference 124 m. The electron beam is injected into the ring at the energy 450 MeV. The Siberia-2 injection system was initially consisted of two high voltage rectangular pulses generators connected to the two in-vacuum strip – line kickers of traveling wave (wave impedance 50 Ohm) – a pre-inflector and an inflector. The amplitude voltage was 25-35 kV with 20 ns pulse duration and 2-3 ns pulse front/fall. Recently the new injection generators were proposed. Injection system now includes the same kickers and the new 1 microsecond pulse duration and 10 kV voltage amplitude generators. A dynamics of the electron beam after injection moment is considered in the article. The possibility of effective injection with kikers pulse duration over 2 periods of revolution of the electron beam is shown. The results of the new injection system commissioning are also demonstrated.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRO012
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THPME151 |
New Station for Optical Observation of Electron Beam Parameters at Electron Storage Ring SIBERIA-2 |
3611 |
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- Stirin, A.I. Stirin, V. Korchuganov, G.A. Kovachev, D.G. Odintsov, Yu.F. Tarasov, A.V. Zabelin
NRC, Moscow, Russia
- V.L. Dorohov, A.D. Khilchenko, A.L. Scheglov, L.M. Schegolev, A.N. Zhuravlev, E.I. Zinin
BINP SB RAS, Novosibirsk, Russia
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The paper is dedicated to a new station for optical observation of electron beam parameters which was built at the synchrotron radiation (SR) storage ring SIBERIA-2 at Kurchatov Institute. The station serves for the automatic measurement of electron bunches transverse and longitudinal sizes with the use of SR visible spectrum in one-bunch and multi-bunch modes; the study of individual electron bunches behaviour in time with changing different accelerator parameters, the precise measurement of betatron and synchrotron oscillations frequency. The station with its diagnostic systems on the optical table is located outside the shielding wall of the storage ring. The paper contains an outline scheme of SR beam line and a block-scheme of optical measurement part, describes the principle of operation and technical characteristics of main system elements (dissector tube, 16-element avalanche photodiode array, CCD-matrix, etc.) as well as results of electron beam optical diagnostics and an estimation of accuracy of the bunches parameters measurements.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-THPME151
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THPME153 |
The New Optical Device for Turn-to-turn Beam Profile Measurement |
3617 |
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- O.I. Meshkov, V.L. Dorohov, A.A. Ivanova, A.D. Khilchenko, A.I. Kotelnikov, A.N. Kvashnin, P.V. Zubarev
BINP SB RAS, Novosibirsk, Russia
- S.V. Ivanenko, E.A. Puryga
Budker Institute of Nuclear Physics, Novosibirsk, Russia
- V. Korchuganov
RRC, Moscow, Russia
- Stirin, A.I. Stirin
NRC, Moscow, Russia
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The linear avalanche photodiodes array is applied for turn-to-turn beam profile measurement at Siberia-2 synchrotron light source. The apparatus is able to record a transversal profile of selected bunch and analyze the dynamics of beam during 220 turns. The first experience with application of new diagnostics for routine use at the installation is described.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-THPME153
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