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Supported within the scope of the technological support by the European Regional Development Fund (EFRE) 2007 - 2010 and by the Freistaat Sachsen A. Silze, E.Ritter, R. Mertzig, G. Zschornack TU Dresden ·  Institute of Applied Physics O. Kester, S. Geyer, A. Sokolov, D.F.A. Winters GSI F. Großmann, V.P. Ovsyannikov,  F.Ullmann DREEBIT GmbH Subsidized by the R&D project “ Design of an EBIS/T injector for HITRAP and FLAIR and an EBIS/T charge breeder for MATS“ The SPARC-EBIT:  A New Test Injector for HITRAP - An Introduction to the R&D Cooperation of GSI with the TU Dresden and DREEBIT GmbH -
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The source provides  bunches or low-emittance beams   of   highly charged ions , e.g. Xe 44+ ,   as well as  high-current low-emittance beams  of  low charged ions  such as protons, alpha particles, ... The SPARC-EBIT
electron gun ion extraction drift tubes axial potential radial potential electron beam Highly charged ions  are produced by  impact ionization  in a high-density electron beam which is compressed by a strong magnetic field permanent magnets in  Helmholtz  configuration The SPARC-EBIT
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10 cm Be window Highly charged   ions  of   various   low- and high -Z  elements   can be produced very efficiently and investigated in different ways  at variable electron energies  of up to 15 keV The SPARC-EBIT
Xenon: Pulsed mode trap time: 5 s Argon: variable trap time Ion production   (Ions/s) Extraction spectra taken at Dresden facilites The SPARC-EBIT 10,000 12,500 Xe 36+ 500 10,000 Xe 44+ - 6,000 Ar 18+ 400,000 1,000,000 Ar 16+ - 600,000 Ne 10+ Leaky mode Pulsed mode Species
Current activities:   Test measurements at “Heckhalle“ Use of the SPARC-EBIT at GSI Source characterization    X-ray spectroscopy    Magnetic scanning    Time-of-Flight  spectroscopy Investigation of the  properties of the Dresden EBIT as a charge breeder
Use of the SPARC-EBIT at GSI Source characterization    X-ray spectroscopy    Magnetic scanning    Time-of-Flight  spectroscopy Investigation of the  properties of the Dresden EBIT as a charge breeder Current activities:   Test measurements at “Heckhalle“
Use of the SPARC-EBIT at GSI Current activities:   Simulations of charge breeding with the SPARC-EBIT
t  = 0 µs t  = 1.5 µs t  = 50 µs ,[object Object],[object Object],[object Object],[object Object],[object Object],Use of the SPARC-EBIT at GSI Current activities:   Simulations of charge breeding with the SPARC-EBIT K 1+ K 2+
towards the experiments LEBT  & cooler trap 5 m 4MeV/u 0.5MeV/u 6keV/u 5keV*q EBIT ,[object Object],[object Object],[object Object],[object Object],Use of the SPARC-EBIT at GSI
[object Object],[object Object],[object Object],[object Object],EBIT SPECTRAP g-factor measurement surface experiment MOT Use of the SPARC-EBIT at GSI
Injector: EBIT/S + RFQ LSR USR HITRAP #1:  Design of an optimized EBIT / EBIS injector for FLAIR Future Projects of the R&D Cooperation
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],EBIT/S #2:  Development of a high efficiency charge breeder for MATS Future Projects of the R&D Cooperation
Dresden EBIT Dresden EBIS Dresden EBIS-A 20 cm Three existing generations of room temperature electron beam ion traps/sources: Ion Source Development in Dresden 400 25 250 6 Dresden EBIS 600 250 B (mT) 30 15 Max. electron energy (keV) 6 2 Trap length (cm) 500 50 Max. electron current (mA) Dresden EBIS-A Dresden EBIT Parameter
Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden KLL Dielectronic Recombination of Kr q+
Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden Kr 32+ Kr 31+ Kr 30+ Kr 29+ Kr 28+
Dresden EBIS: <j e >= 260 A/cm 2 Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden
Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden C 6+  pulse extracted from Dresden EBIS-A trap open ion flight time
Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden C 6+  pulse extracted from Dresden EBIS-A
Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden 3 µs 45 µs
Time-of-Flight-Secondary Ion Mass Spectroscopy using Highly Charged Ions Dresden  EBIT NanoFIBcolumn Sample stage control Focused Ion Beam machine using Highly Charged Ions Further activities Ion Source Development in Dresden
Compact ion source setup with Wien filter module Further activities Ion Source Development in Dresden
In order to reach higher electron currents and electron current densities and thus higher ionization factors magnetic flux densities beyond 1 Tesla are required Dresden EBIS-SC Superconducting magnet system based on the most modern refrigeration and electron beam technologies The Dresden EBIS-SC – A new ion source generation Ion Source Development in Dresden Higher charge states Higher ion output
The Dresden EBIS-SC – A new ion source generation Ion Source Development in Dresden Magnetic field created by superconducting solenoid coils with use of cryogen-free refrigerators (cooling without liquid gases) and soft iron components Advantages like compact size and economic efficiency are kept by using up-to-date superconducting and refrigerating technology approx. 50 cm Total length up to 30 keV Electron energy up to 6 T Magnetic field (on axis) 3·10 8  ions (pulsed mode)    max. current of Xe 44+ up to 5·10 10  e    Trap capacity 20 cm Trap length up to 1000 A/cm 2    Electron current density 1 A Electron current Value Parameter
The new EBIS-SC test facility Ion Source Development in Dresden 1 m
The new EBIS-SC test facility Ion Source Development in Dresden 1 m Analysing magnet EBIS-SC Quadrupole Liquid Metal Ion Source Charge breeding test setup
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Summary
 

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Sparc Ebit September 2008

  • 1. Supported within the scope of the technological support by the European Regional Development Fund (EFRE) 2007 - 2010 and by the Freistaat Sachsen A. Silze, E.Ritter, R. Mertzig, G. Zschornack TU Dresden · Institute of Applied Physics O. Kester, S. Geyer, A. Sokolov, D.F.A. Winters GSI F. Großmann, V.P. Ovsyannikov, F.Ullmann DREEBIT GmbH Subsidized by the R&D project “ Design of an EBIS/T injector for HITRAP and FLAIR and an EBIS/T charge breeder for MATS“ The SPARC-EBIT: A New Test Injector for HITRAP - An Introduction to the R&D Cooperation of GSI with the TU Dresden and DREEBIT GmbH -
  • 2.
  • 3. electron gun ion extraction drift tubes axial potential radial potential electron beam Highly charged ions are produced by impact ionization in a high-density electron beam which is compressed by a strong magnetic field permanent magnets in Helmholtz configuration The SPARC-EBIT
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  • 5. Xenon: Pulsed mode trap time: 5 s Argon: variable trap time Ion production (Ions/s) Extraction spectra taken at Dresden facilites The SPARC-EBIT 10,000 12,500 Xe 36+ 500 10,000 Xe 44+ - 6,000 Ar 18+ 400,000 1,000,000 Ar 16+ - 600,000 Ne 10+ Leaky mode Pulsed mode Species
  • 6. Current activities: Test measurements at “Heckhalle“ Use of the SPARC-EBIT at GSI Source characterization  X-ray spectroscopy  Magnetic scanning  Time-of-Flight spectroscopy Investigation of the properties of the Dresden EBIT as a charge breeder
  • 7. Use of the SPARC-EBIT at GSI Source characterization  X-ray spectroscopy  Magnetic scanning  Time-of-Flight spectroscopy Investigation of the properties of the Dresden EBIT as a charge breeder Current activities: Test measurements at “Heckhalle“
  • 8. Use of the SPARC-EBIT at GSI Current activities: Simulations of charge breeding with the SPARC-EBIT
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  • 12. Injector: EBIT/S + RFQ LSR USR HITRAP #1: Design of an optimized EBIT / EBIS injector for FLAIR Future Projects of the R&D Cooperation
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  • 14. Dresden EBIT Dresden EBIS Dresden EBIS-A 20 cm Three existing generations of room temperature electron beam ion traps/sources: Ion Source Development in Dresden 400 25 250 6 Dresden EBIS 600 250 B (mT) 30 15 Max. electron energy (keV) 6 2 Trap length (cm) 500 50 Max. electron current (mA) Dresden EBIS-A Dresden EBIT Parameter
  • 15. Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden KLL Dielectronic Recombination of Kr q+
  • 16. Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden Kr 32+ Kr 31+ Kr 30+ Kr 29+ Kr 28+
  • 17. Dresden EBIS: <j e >= 260 A/cm 2 Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden
  • 18. Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden C 6+ pulse extracted from Dresden EBIS-A trap open ion flight time
  • 19. Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden C 6+ pulse extracted from Dresden EBIS-A
  • 20. Experimental possibilities Investigation of the ionization process in general (energy and time resolved X-ray spectroscopy, determination of ionization cross sections) Electron current density measurements (essential for charge breeding) Ion pulse length measurements (important injector property) Ion Source Development in Dresden 3 µs 45 µs
  • 21. Time-of-Flight-Secondary Ion Mass Spectroscopy using Highly Charged Ions Dresden EBIT NanoFIBcolumn Sample stage control Focused Ion Beam machine using Highly Charged Ions Further activities Ion Source Development in Dresden
  • 22. Compact ion source setup with Wien filter module Further activities Ion Source Development in Dresden
  • 23. In order to reach higher electron currents and electron current densities and thus higher ionization factors magnetic flux densities beyond 1 Tesla are required Dresden EBIS-SC Superconducting magnet system based on the most modern refrigeration and electron beam technologies The Dresden EBIS-SC – A new ion source generation Ion Source Development in Dresden Higher charge states Higher ion output
  • 24. The Dresden EBIS-SC – A new ion source generation Ion Source Development in Dresden Magnetic field created by superconducting solenoid coils with use of cryogen-free refrigerators (cooling without liquid gases) and soft iron components Advantages like compact size and economic efficiency are kept by using up-to-date superconducting and refrigerating technology approx. 50 cm Total length up to 30 keV Electron energy up to 6 T Magnetic field (on axis) 3·10 8 ions (pulsed mode)  max. current of Xe 44+ up to 5·10 10 e  Trap capacity 20 cm Trap length up to 1000 A/cm 2  Electron current density 1 A Electron current Value Parameter
  • 25. The new EBIS-SC test facility Ion Source Development in Dresden 1 m
  • 26. The new EBIS-SC test facility Ion Source Development in Dresden 1 m Analysing magnet EBIS-SC Quadrupole Liquid Metal Ion Source Charge breeding test setup
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