COXINEL
COherent Xray source INferred from Electrons accelerated by Laser
| Coordinatore | Société Civile Synchrotron SOLEIL
Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie. |
| Nazionalità Coordinatore | France [FR] |
| Totale costo | 2˙500˙000 € |
| EC contributo | 2˙500˙000 € |
| Programma | FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) |
| Code Call | ERC-2013-ADG |
| Funding Scheme | ERC-AG |
| Anno di inizio | 2014 |
| Periodo (anno-mese-giorno) | 2014-01-01 - 2018-12-31 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 |
Nome Ente NON disponibile
Organization address
address: L'Orme des Merisiers contact info |
FR (Gif sur Yvette) | hostInstitution | 2˙500˙000.00 |
| 2 |
Nome Ente NON disponibile
Organization address
address: L'Orme des Merisiers contact info |
FR (Gif sur Yvette) | hostInstitution | 2˙500˙000.00 |
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Obiettivo del progetto (Objective)
'Since the first laser discovery in 1960 and the first Free Electron Laser (FEL) in 1977, Linac based fourth generation light sources provide intense coherent fs pulses in the X-ray range for multidisciplinary investigations of matter. In parallel, Laser Wakefield Accelerator (LWFA) by using intense laser beams interacting with cm long plasmas can now provide high quality electron beams of very short bunches (few fs) with high peak currents (few kA). The so-called 5th generation light source aims at reducing the size and the cost of these FELs by replacing the linac by LWFA. Indeed, spontaneous emission from LWFA has already been observed, but the presently still rather large energy spread (1 %) and divergence (mrad) prevent from the FEL amplification. In 2012, two novel schemes in the transport proposed in the community, including my SOLEIL group, predict a laser gain increase by 3 or 4 orders of magnitudes. COXINEL aims at demonstrating the first lasing of an LWFA FEL and its detailed study in close interaction with future potential users. The key concept relies on an innovative electron beam longitudinal and transverse manipulation in the transport towards an undulator: a 'demixing' chicane sorts the electrons in energy and reduces the spread from 1 % to a slice one of 0.1%, and the transverse density is maintained constant all along the undulator (supermatching). Simulations based on the performance of the 60 TW laser of the Laboratoire d’Optique Appliquée and existing undulators from SOLEIL suggest that the conditions for lasing are fulfilled. The SOLEIL environment also possesses the engineering fabrication capability for the actual realization of these theoretical ideas, with original undulators and innovative variable permanent compact magnets for the transport. COXINEL will enable to master in Europe advanced schemes scalable to shorter wavelengths and pulses, paving the way towards FEL light sources on laboratory size, for fs time resolved experiments.'