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T.A.C . FREE ELECTRON LASER FACILITY (T.A.R.L.A.)

TURKISH ACCELERATOR and RADIATION LABORATORY in ANKARA (T.A.R.L.A.) . T.A.C . FREE ELECTRON LASER FACILITY (T.A.R.L.A.). TURKISH PHYSICAL SOCIETY 5 th INTERNATIONAL PARTICIPATION PARTICLE ACCELERATOR and APPLICATIONS CONGRESS 7 - 9 September 2013 İSTANBUL - TURKEY .

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T.A.C . FREE ELECTRON LASER FACILITY (T.A.R.L.A.)

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  1. TURKISH ACCELERATOR and RADIATION LABORATORY in ANKARA (T.A.R.L.A.) T.A.C. FREE ELECTRON LASER FACILITY (T.A.R.L.A.) TURKISH PHYSICAL SOCIETY 5th INTERNATIONAL PARTICIPATION PARTICLE ACCELERATOR and APPLICATIONS CONGRESS 7-9September 2013 İSTANBUL - TURKEY Dr. Suat ÖZKORUCUKLU* Vice Director of TAC Project Director of TARLA Istanbul University University *On behalf of TAC Collaboration

  2. The First Beam

  3. The Goal • The TARLA aims to obtain FEL between 2.5-250 µm ranges out of two different optical cavity systems with undulators of 2.5cmand9.0cmperiods. The electron beam energy is 15-40 MeV. • There is also a Bremsstrahlung line after the second accelerating module. • The electron source is chosen to be a high average current thermionic DC gun running at up to 250keV, which is in manufacturing phase at the moment. • The injector system will be completely based on normal conducting technology with two buncher cavities that operate 260 MHz and 1.3 GHz, respectively • The main acceleration structure will consist of two ELBE modules that each houses two TESLA 9-cell SC structure. These modules are designed to operate at 1 mA electron beam current at continuous wave operation (CW) 10-11 June 2012

  4. ANKARA (15km) Town Gölbaşı TARLA Gölbasi Campus of Ankara University Lake Mogan

  5. Layout of TARLA Electronics Brems. Exp. Electronics RF & Power Accelerators FELs FEL Experiments He Plant Clean Room FEL Experiments 10-11 June 2012 IV. iSAC Meeting

  6. Layout of T.A.R.L.A

  7. Linac-1 Linac-2 Bunch Compressor e-Source Buncher Overview of TARLA Main Components E-Source (Gun) Buncher Cavities Accelerating units Bunch Compressor Focusing-defocusing magnets Bending magnets Beam Diagnostic tools …..

  8. Linac-1 Linac-2 Bunch Compressor e-Source Buncher Electron Gun • To obtain high quality FEL electron source should supply • continuous high bunch charge • with lowest emittance • We have chosen thermionic DC gun as the source 80 pC To obtain 1.0 mA average peak current we need approximately 80 pC bunch charge with 77 ns bunch duration

  9. standing electromagnetic wave +∆E ~500ps drift space Linac-1 (0-20 MeV) Linac-2 (20-40 MeV) Bunch Compressor e-Source Buncher Buncher Cavities • The electron bunches should have short bunch length • Therefore the bunches at the exit of the gun which has approximately 500ps are needed to be compressed less than 10ps • And bunch separation should maintain same distance as 77 ps. It is possible to use several Buncher and Buncher frequency should be synchronized with RF frequency in linac.

  10. Linac-1 Linac-2 Bunch Compressor e-Source Buncher Bunch Compressor For having higher current, another equipment which should be on beam line is bunch compressor. Using Bunch Compressor, bunch length can be reduced less than 1ps

  11. Linac-1 Linac-2 Bunch Compressor e-Source Buncher Accelerator Structure • To achieve 40 MeV electron beam energy we are using two 2 accelerating modules with 2 TESLA (9-cell) cavities • To have a large application area beam should have continuous structure • This modules will able to provide CW electron beam structure

  12. 20 MeV . 1mA = 20kW helium portliquid He @ 1.8K 1.8 K helium reservoir vacuum isolation liquid N2 shield solid isolation RF ports10kW1.3GHz 200-250 keV, 1 mA 9-cell Tesla-cavity 1.3 GHz SRF Cavities

  13. Main Electron Beam Parameters 10-11 June 2012 IV. iSAC Meeting

  14. Obtaining FEL

  15. Main Und. and Res.Parameters 10-11 June 2012 IV. iSAC Meeting

  16. T.H.M. T.A.R.L.A. Demet Parametreleri Some Calculations  Magnetic Field  Undulator wavelenght  Number of poles U90   U25   E  Energy of electrons K  Undulator parameter  Lorentz factor

  17. T.H.M. T.A.R.L.A. Demet Parametreleri Some Calculations Max.  Max. Max. K Min. E Min.  Min. Min. K Max. E U90 Max. U25 Min.

  18. T.H.M. T.A.R.L.A. Demet Parametreleri Some Calculations Max. Energy  Min. Kand Min. Min. Energy Max. Kand Max. Max. Min.

  19. Main FEL Parameters 10-11 June 2012 IV. iSAC Meeting

  20. Status of Injector • The injector consists of • a 250kV DC Gun • a 260 MHz S.H.B • a 1.3GHzF.B., • Solenoids, • Diagnostics • vacuum equipment's 10-11 June 2012 IV. iSAC Meeting

  21. Technical: Voltage Divider • ½ High Voltage Divider: • 37 HV resistors in series • 10Meg each resistor • 15cm each resistor • Each resistor has 8kV and 6.4W @300KV • 0.8mA150kV output @ 300kV8mA input • Since mechanical design is modular, electrical parameters can be modified easily 10-11 June 2012

  22. Technical: Electronics • High Voltage Divider • Custom Design Devices inside Faraday Cup: • Remote Controller for Pulser • 13MHz Trigger and Macropulser for Pulser • RF Mixer • Cathode and connections • 6 Channel Temperature Controller • 1.3 GHz Master Oscillator • I/O Protection Circuit • 8 Channel PLL Divider • Motor Drivers 10-11 June 2012

  23. Power Supply -250 kV Thermionic DC gun RF buncher 260 MHz RF buncher +1,3GHz SRF 1,3 GHz SRF 1,3 GHz 13 Mhz 1.5 kW Amplifier (Grid) 13/26 Mhz 1 kW Amplifier 10 MHz Reference Oscillator 260 Mhz 200 W Amplifier 1.3 Ghz 10 kW (16 kW) Amplifier PLL System 1.3 Ghz 10 kW (16 kW) Amplifier 1.3 GHz Master Oscillator 1.3 Ghz 10 kW (16 kW) Amplifier 1.3 Ghz 10 kW (16 kW) Amplifier 1.3 Ghz 1.3 Ghz Beam Position Monitor (BPM) Technical: Master Osc. & PLL 10-11 June 2012

  24. Technical: Control System

  25. Technical: Software Development EPICS Extensions: MEDM, Probe, Visual CT Soft Module: ASYN Protocols: RS232, TCP LAB VIEW 10-11 June 2012 IV. iSAC Meeting

  26. Technical: LabView

  27. ❺ ❸ ICT/FCT - ❶ ❹ ❺ Multislit Masks - ❷ BLM -❾ ❽ Lazer Sis. - ❿ Selenoid Magnet - ❸ ❹ ❶ Aperture - ⓫ Steerer Magnet - ❹ ❸ ❻ ❺ ❹ ❷ ❺ ❸ View Screens - ❺ ❼ ❸ Makro pulser - ❻ ❺ BPM - ❼ ❽ 260 MHz Subharmonic 1.3 GHz Fundamental Bunchers - ❽

  28. FCT / ICT

  29. Technical: First Beam Measurment Electronbeamenegrywas165 keV GridVoltagewas -165 kV + -20V AverageBeamCurrentMeasurement : Voltagewas 0.035 mV BeamDump Averagebeamcurrent has measured 350 uA Ie 0.1 ohm ShuntResistance

  30. Tuning range ±120 kHz External Q of HOM couplers > 5x1011 Total accelerating voltage of the module > 20 MV Total cryogenic losses at 20 MV cw operation < 75W Status of SRFs Research Instruments offers a Super conducting RF accelerating module with 2 TESLA cavities for continuous RF operation. This module is compact and houses two TESLA cavities and is designed for continuous operation at accelerating fields in the range of 15 to 20 MV/m.The cryostat design has been developed by ELBE group (ForschungszentrumRossendorf) and is used under a license agreement. June 21st, 2012 • 3.88 M€ Delivery December 2014 10-11 June 2012 IV. iSAC Meeting

  31. Status of Bucher Cavities 10-11 June 2012

  32. Status of He Plant Kick-off Meeting: October 2nd - 4th 2012 Second Meeting for Payment: May 29th – 30th , 2013 June 15th, 2012 4.359 M€ Delivery Novemver 2014 10-11 June 2012

  33. He Plant Parameters 10-11 June 2012 IV. iSAC Meeting

  34. Status of RF • 16 kW solid state power amplifiers (SSPA) were planned for high power RF (HPRF). • We have been in contact with both Bruker and Thomson Broadcast for the solid state amplifiers. • Mechanic and thermal studies of SRF Power couplers (input & HOM) are completed (CST), • Design • Simulation (CST), • Production studies (if it is possible in TURKEY) are ongoing… 10-11 June 2012

  35. Status of RF Transmition Lines • Conceptual design of waveguide is finished and components for transmission lines are determined. • HPRF transmission line simulations (HFSS) are finished. The procurement process has been planned to complete by the end of 2013. 10-11 June 2012

  36. Status of Personel Project Management Özlem KARSLI TARLA Suat Özkorucuklu BREMSSTRAHLUNG İskender Akkurt FEL Pervin Arıkan MACHINE AvniAksoy RF Ö. Karslı A. Aksoy Z.Sali B.Dursun Ç.Polat HV B. Koç İ. Şara Diagnostic Ç. Kaya A.Aksoy Ç.Polat Electronic B. Koç G. Kalaycı Vacuum Ç. Kaya E. Kazancı M. Yıldız Infrastructure E. Kazancı İ. Şara M. Yıldız Control Y.Barutçu S. Kuday E.Kazancı • Cryogenics • Aksoy • Ç.Kaya • Resonators • Aksoy • H. Tugay • Beamline • Aksoy • Ç. Kaya

  37. Experimental Groups FEL Pervin Arıkan Diagnostic İ.Tapan Ultrafast PAL H. Altan O. Esentürk Gen. IR Lab. A.Aydinlı Bio-Micro SL F. Severcan. Material PL Ö. İlday BREMSSTRAHLUNG İskender Akkurt Detector M.Doğru S. Şahin Simulation N. Karpuzcu e. Dump G. Yeğin S.Sariaydin Photon Dump H.O. Tekin Radiator N. Demir Z.Demirci 10-11 June 2012 IV. iSAC Meeting

  38. Planned Experiments 46 IR FEL Stations (5): • Photon science and diagnostics • Ultrafast photonics applications • General IR spectroscopy • Material characterization • Bio-micro spectroscopy and biomedicine Bremsstrahlung station (1): • Nuclear spectroscopy Commissioning of TARLA accelerator is expected in 2016 TARLA is an official member of EU-FP7 Project named as CALIPSO for training of users in any 20 European Light Source Facilities

  39. iMAC Peter MICHEL (HZDR-ELBE, Germany) (Head) Hideaki OHGAKI (Kyoto University, Japan) Dieter TRINES (DESY, Germany) Ernst WEIHRETER (HZB-BESSY, Germany) Jean R. DELAYEN (JLab, USA) 1st Meeting: December 4-5, 2009 Ankara University 2nd Meeting: September 2-3, 2010 Bodrum, Mugla 3rd Meeting: May 12-13, 2011 IAT, Ankara University 4th Meeting: March 8-9, 2012 IAT, Ankara University 2010 5th Meeting: April 22-23 2013 IAT, Ankara University

  40. TARLA WBS

  41. IT & Network --- Follow us http://tarla.ankara.edu.tr http://www.tarla-fel.org 10-11 June 2012 IV. iSAC Meeting

  42. for your attention 50 10-11 June 2012 IV. iSAC Meeting

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