Initial Gain Measurements of a 800nm SASE FEL, VISA

Technical Report · Wed Aug 14 00:00:00 EDT 2002

DOI:https://doi.org/10.2172/800022· OSTI ID:800022

Carr, Roger

The VISA (Visible to Infrared SASE Amplifier) FEL is designed to obtain high gain at a radiation wavelength of 800nm. The FEL uses the high brightness electron beam of the Accelerator Test Facility (ATF), with energy of 72MeV. VISA uses a novel, 4 m long, strong focusing undulator with a gap of 6mm and a period of 1.8cm. To obtain large gain the beam and undulator axis have to be aligned to better than 50{micro}m. Results from initial measurements on the alignment, gain, and spectrum will be presented and compared to theoretical calculations and simulations.

• Research Organization: SLAC National Accelerator Lab., Menlo Park, CA (United States)
• Sponsoring Organization: USDOE Office of Energy Research (ER) (US)
• DOE Contract Number: AC03-76SF00515
• OSTI ID: 800022
• Report Number(s): SLAC-PUB-9392; TRN: US200308%%495
• Resource Relation: Other Information: PBD: 14 Aug 2002
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ACCELERATORS
ALIGNMENT
BRIGHTNESS
ELECTRON BEAMS
FOCUSING
RADIATIONS
WAVELENGTHS
WIGGLER MAGNETS