Beam transport for an SRF recirculating-linac FEL

Conference · Sun Dec 31 04:00:00 EST 1995

OSTI ID:238739

Neuffer, D; Douglas, D ^[1]; Li, Z ^[2]

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1. Continuous Electron Beam Accelerator Facility, Newport News, VA (United States)
2. Stanford Univ., CA (United States); and others

The beam transport system for the CEBAF UV Demo FEL includes a two-pan transport of the beam with acceleration from injector to wiggler, followed by energy recovery transport from wiggler to dump. From that contact we discuss the general problem of multi-pass energy-recovery beam transport for FELs. Tuneable, nearly-isochronous, large-momentum-acceptance import systems are required. The entire transport must preserve beam quality, particularly in the acceleration transport to the wiggler, and have low losses throughout the entire system. Issues such as injection and final energies, number of passes, linac focusing effects, beam separation, chronicity management, and stability constraints are critical. Various possible designs are discussed. Particle tracking results exploring the design options are also reported.

• Research Organization: Brookhaven National Lab., Upton, NY (United States)
• DOE Contract Number: AC05-84ER40150
• OSTI ID: 238739
• Report Number(s): BNL--61982-Absts.; CONF-9508156--Absts.; ON: DE96002729
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
43 PARTICLE ACCELERATORS
BEAM TRANSPORT
DESIGN
FREE ELECTRON LASERS
LINEAR ACCELERATORS
TUNING