Abstract
VISA (Visible to Infrared SASE Amplifier) is a high-gain self-amplified spontaneous emission FEL, which achieved saturation at 840 nm within a single-pass 4-m undulator. A gain length shorter than 18 cm has been obtained, yielding the gain of 2 × 108 at saturation. The FEL performance, including spectral, angular, and statistical properties of SASE radiation, has been characterized for different electron beam conditions. The results are compared to 3-D SASE FEL theory and start-to-end numerical simulations of the entire injector, transport, and FEL system. Detailed agreement between simulations and experimental results is obtained over the wide range of the electron beam parameters.
| Original language | English |
|---|---|
| Pages (from-to) | 417-421 |
| Number of pages | 5 |
| Journal | Nuclear Inst. and Methods in Physics Research, A |
| Volume | 507 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Jul 11 2003 |
| Event | Proceedings of the 24th International Free Electron Laser Conference - Argonne, IL, United States Duration: Sep 9 2002 → Sep 13 2002 |
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