Paper |
Title |
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MOPRI017 |
Status of AREAL RF Photogun Test Facility |
620 |
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- B. Grigoryan, G.A. Amatuni, V.S. Avagyan, H. Avdishyan, H. Davtyan, A.A. Gevorgyan, L.H. Hakobyan, M. Ivanyan, V.G. Khachatryan, E.M. Laziev, A. Lorsabyan, M. Manukyan, I.N. Margaryan, N. Martirosyan, T.H. Mkrtchyan, S. Naghdalyan, V.H. Petrosyan, H. Poladyan, V. Sahakyan, A. Sargsyan, A.V. Tsakanian, V.M. Tsakanov, A. Vardanyan, V. V. Vardanyan, G.S. Zanyan
CANDLE SRI, Yerevan, Armenia
- T.K. Sargsyan
LT-PYRKAL cjsc, Yerevan, Armenia
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Advanced Research Electron Accelerator Laboratory (AREAL) is a 20 MeV laser driven RF linear accelerator which is being constructed in the CANDLE institute. The construction of phase-1 is finished and at present the machine commissioning is in progress. In phase-1 a photocathode RF gun provides a 5 MeV small emittance electron beam with the 100 pC bunch charge and variable electron bunch length from 0.5 to 8 ps. Two main operation modes are foreseen for this phase – single and multibunch regimes to satisfy experimental demands. We report the status of linac, first experience and nearest machine run schedule. The brief review of the facility, main parameters, performance and first results are presented.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-MOPRI017
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TUPRO078 |
AREAL Solenoid, Dipole and Steering Magnets Design and Performance |
1223 |
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- A.V. Tsakanian, H. Gagiyan, A.A. Gevorgyan, B. Grigoryan, V.G. Khachatryan, M. Manukyan, T.H. Mkrtchyan, S. Naghdalyan, A.S. Simonyan, V. V. Vardanyan
CANDLE SRI, Yerevan, Armenia
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The AREAL solenoid, dipole and corrector magnets design, simulations and performance are presented. A solenoid magnet will be used for the focusing of the low energy (E~5MeV) electron beam after RF gun as well as in the beam diagnostic section. The magnetic iron cover of solenoid provides return path for magnetic field screening effectively the field in the outer space and concentrating it inside solenoid gap. The dipole magnet is part of the spectrometer for beam energy spread measurements. An Iron-free corrector magnet design allows independent horizontal and vertical beam steering. The design optimization and magnetic field calculations are performed using CST-EM Studio. A good agreement between measurements and simulations is obtained.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO078
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WEPME025 |
Design and Performance of Ultimate Vacuum System for the AREAL Test Facility |
2311 |
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- A.A. Gevorgyan, V.S. Avagyan, B. Grigoryan, T.H. Mkrtchyan, A.S. Simonyan, V. V. Vardanyan
CANDLE SRI, Yerevan, Armenia
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The design specification of the AREAL test facility require the residual pressure at the level of 1nTorr with beam through entire vacuum chamber. We present the main features of the vacuum system, including the design and fabrication peculiarities of the dedicated components like dipole magnet stainless steel vacuum chamber and the cubes for beam diagnostic stations. The philosophy and instrumentation of the vacuum system are discussed.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-WEPME025
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WEPME060 |
Yb DOPED HIGH-ENERGY UV ULTRAFAST LASER FOR AREAL FACILITY |
2412 |
SUSPSNE106 |
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- A. Lorsabyan, A.A. Gevorgyan, B. Grigoryan, A.S. Simonyan
CANDLE SRI, Yerevan, Armenia
- V. Clet, A. Courjaud
Amplitude Systemes, Pessac, France
- T.K. Sargsyan
LT-PYRKAL cjsc, Yerevan, Armenia
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For electron generation from photocathode the new laser system was developed for the AREAL linear accelerator laboratory. Besides generating electrons using the laser, we plan to provide a laser beam for other experimental stations running in parallel. The performance and capabilities of the laser system including operating frequency, electron generation in multi-bunch regime and other advantages are presented. The outlooks and steps for further upgrade are discussed.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-WEPME060
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THPME079 |
Beam Diagnostics and Control for the AREAL RF Photogun Linac |
3418 |
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- G.A. Amatuni, B. Grigoryan, A. Lorsabyan, N. Martirosyan, V. Sahakyan, A. Sargsyan, A.V. Tsakanian, A. Vardanyan, G.S. Zanyan
CANDLE SRI, Yerevan, Armenia
- K. Manukyan
YSU, Yerevan, Armenia
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Advanced Research Electron Accelerator Laboratory (AREAL) based on photo cathode RF gun is under construction at CANDLE. In current stage the gun section is under commissioning (phase 1). This paper presents the main characteristics of gun section beam diagnostics and the architecture of AREAL control system. The diagnostic system includes the measurements of the beam main parameters and its longitudinal and transverse phase space characteristics. The results of the facility first phase commissioning are summarized from the beam diagnostic and control point of view.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-THPME079
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THPRI031 |
Design and Commissioning of S-Band RF Station for AREAL Test Facility |
3834 |
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- A. Vardanyan, H. Avdishyan, H. Davtyan, B. Grigoryan, L.H. Hakobyan, H. Poladyan
CANDLE SRI, Yerevan, Armenia
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The RF station has been designed and constructed for AREAL Linac. The constructional features and commissioning results of RF system are presented. The whole RF system is designed to work at 3GHz frequency. The linac includes an electron gun for 0.5-8 ps electron bunch production with 1-10 Hz repetition rate. For linac RF control system a Libera LLRF stabilization system is used. An important feature of the presented system is a high level synchronization of amplitude-phase characteristics which provide the required accuracy for particle acceleration and bunch formation.
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DOI • |
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※ https://doi.org/10.18429/JACoW-IPAC2014-THPRI031
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THPRI100 |
Distributed Cooling System for the AREAL Test Facility |
4010 |
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- V. V. Vardanyan, G.A. Amatuni, V.S. Avagyan, A.A. Gevorgyan, B. Grigoryan, T.H. Mkrtchyan, V. Sahakyan, A.S. Simonyan, A.V. Tsakanian, A. Vardanyan
CANDLE SRI, Yerevan, Armenia
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Following the design specifications of the Advanced Research Electron Accelerator Laboratory (AREAL), a reliable distributed cooling system for the AREAL linear accelerator has been developed. The cooling system provides a high accuracy temperature control for the electron gun, klystron and the magnets. The main requirements and technical solutions for various accelerator components cooling units are presented, including the local and remote control.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-THPRI100
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THPRI101 |
Coupler Kick and Cavity Tilt Effects on Emittance Preservation in Linear Accelerators |
4013 |
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- A.V. Tsakanian, G.A. Amatuni, B. Grigoryan, I.N. Margaryan, V.M. Tsakanov
CANDLE SRI, Yerevan, Armenia
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The effects of the coupler kick and the cavity tilts on the beam dynamics in long linear accelerator are studied. The dispersive and wakefield caused beam emittance dilution are evaluated analytically using two particle model of the beam. The numerical simulations for the European XFEL project are presented.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-THPRI101
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