Abstract
Laser plasma acceleration (LPA) [1] with up to several GeV beam in very short distance appears very promising. The Free Electron Laser (FEL), though very challenging, can be viewed as a qualifying application of these new emerging LPAs. The energy spread and divergence, larger than from conventional accelerators used for FEL, have to be manipulated to answer the FEL requirements. On the test COXINEL experiment [2–4] line, "QUAPEVA" permanent magnet quadrupoles of variable strength [5, 6] handle the emittance growth and a decompression chicane reduces the slice energy spread, enabling FEL amplification for baseline reference parameters [2]. A beam pointing alignment compensation method enables to properly transport the electrons along the line, with independent adjustments of position and dispersion [7]. The measured undulator spontaneous emission radiated exhibits the typical undulator radiation pattern, and usual features (a tunabilit small linewidth).
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 39th International Free-Electron Laser Conference, FEL 2019 |
| Pages | 684-687 |
| Number of pages | 4 |
| ISBN (Electronic) | 9783954502103 |
| DOIs | |
| State | Published - Aug 2019 |
| Event | 39th International Free-Electron Laser Conference, FEL 2019 - Hamburg, Germany Duration: 26 Aug 2019 → 30 Aug 2019 |
Publication series
| Name | Proceedings of the 39th International Free-Electron Laser Conference, FEL 2019 |
|---|
Conference
| Conference | 39th International Free-Electron Laser Conference, FEL 2019 |
|---|---|
| Country/Territory | Germany |
| City | Hamburg |
| Period | 26/08/19 → 30/08/19 |
All Science Journal Classification (ASJC) codes
- Electrical and Electronic Engineering
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