Abstract
The Visible to Infrared SASE Amplifier (VISA) 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 72 MeV. VISA uses a novel, 4m 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 5 μm. Results from initial measurements on the alignment, gain, and spectrum will be presented and compared to theoretical calculations and simulations.
| Original language | English |
|---|---|
| Pages (from-to) | 339-342 |
| Number of pages | 4 |
| Journal | Nuclear Inst. and Methods in Physics Research, A |
| Volume | 475 |
| Issue number | 1-3 |
| DOIs | |
| State | Published - Nov 21 2001 |
| Event | 22nd International Free Electron Laser Conference (FEL 2000) - Durham, NC, United States Duration: Aug 13 2000 → Aug 18 2000 |
Keywords
- FEL
- High gain
- SASE
- Undulator
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