A High-Gradient CW R Photo-Cathode Electron Gun for High Current Injectors
Conference
·
OSTI ID:840012
The paper describes the analysis and preliminary design of a high-gradient photo-cathode RF gun optimized for high current CW operation. The gun cell shape is optimized to provide maximum acceleration for the newly emitted beam while minimizing wall losses in the structure. The design is intended for use in future high-current high-power CW FELs but the shape optimization for low wall losses may be advantageous for other applications such as XFELs or Linear Colliders using high peak power low duty factor guns where pulse heating is a limitation. The concept allows for DC bias on the photocathode in order to repel ions and improve cathode lifetime.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 840012
- Report Number(s):
- JLAB-ACC-05-350; DOE/ER/40150-3369; TRN: US0501809
- Resource Relation:
- Conference: PAC 2005, Knoxville, TN (US), 05/16/2005--05/20/2005; Other Information: PBD: 1 May 2005
- Country of Publication:
- United States
- Language:
- English
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