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Updated: Jun 15, 2026
07:50
Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization
Published on: July 17, 2015
The third generation superconducting 28 GHz electron cyclotron resonance ion source VENUS (invited).
C Lyneis1, D Leitner, M Leitner
1Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, USA. cmlyneis@lbl.gov
The Review of Scientific Instruments
|March 3, 2010
Summary
The VENUS electron cyclotron resonance (ECR) ion source showcases advanced superconducting magnets and cryosystems, proving the feasibility of next-generation ECR ion sources. Innovations in magnet construction and plasma design pave the way for future ECR ion source development.
Area of Science:
- Nuclear Physics and Accelerator Technology
- Plasma Physics and Fusion Energy
Background:
- Electron Cyclotron Resonance (ECR) ion sources are critical for producing ion beams.
- Advancements in ECR technology are needed to meet the demands of modern research.
Purpose of the Study:
- To describe the development, performance, and innovations of the VENUS ECR ion source.
- To assess the feasibility and performance of a third-generation ECR ion source.
- To explore the potential for fourth-generation ECR ion source designs.
Main Methods:
- Incorporation of a high-field superconducting NbTi magnet structure.
- Utilisation of a 28 GHz gyrotron microwave source.
- Implementation of a state-of-the-art closed-cycle cryosystem.
Main Results:
- Demonstrated feasibility and high performance levels for a new generation of ECR ion sources.
- Required significant innovations in magnet construction, plasma chamber design, and beam transport.
- Successfully operated as a third-generation ECR ion source over a decade.
Conclusions:
- The VENUS ECR ion source validates the performance of advanced ECR technologies.
- Innovations in VENUS provide a foundation for future ECR ion source development.
- The study highlights the potential for constructing fourth-generation ECR ion sources.
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