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The Heidelberg compact electron beam ion traps.

P Micke1, S Kühn1, L Buchauer1

  • 1Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany.

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|July 2, 2018
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Summary
This summary is machine-generated.

We developed a compact, room-temperature Heidelberg Compact Electron Beam Ion Trap (HC-EBIT) for producing and studying highly charged ions. This novel design offers high magnetic fields and efficient ion production for various applications.

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Area of Science:

  • Atomic Physics
  • Plasma Physics
  • Accelerator Physics

Background:

  • Electron beam ion traps (EBITs) are crucial for producing and studying highly charged ions (HCIs).
  • Existing EBIT designs can be costly to construct, maintain, and operate.
  • There is a need for more accessible and cost-effective EBIT systems.

Purpose of the Study:

  • To develop a novel, compact, room-temperature Electron Beam Ion Trap (EBIT) design.
  • To reduce the construction, maintenance, and operation costs of EBITs.
  • To demonstrate the capabilities of the new HC-EBIT for HCI production and spectroscopy.

Main Methods:

  • Designed and commissioned four Heidelberg Compact Electron Beam Ion Traps (HC-EBITs).
  • Utilized permanent magnets for strong magnetic fields (up to 0.86 T).
  • Employed electron beam currents up to 80 mA and energies up to 10 keV.

Main Results:

  • Achieved production, trapping, and extraction of pulsed Ar16+ bunches.
  • Generated continuous 100 pA ion beams of highly charged Xe up to charge state 29+.
  • Demonstrated high photon count rates for X-ray spectroscopy (e.g., Fe24+) with resolving power E/ΔE > 1500.
  • Successfully implemented and tested a novel off-axis electron gun for laser and synchrotron applications.

Conclusions:

  • The HC-EBIT is a cost-effective, compact, room-temperature alternative for HCI research.
  • The system demonstrates efficient production of various highly charged ions.
  • The novel off-axis gun enhances experimental flexibility for external radiation source applications.