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The ARC-EN-CIEL radiation sources

Abstract : The ARC-EN-CIEL (Accelerator-Radiation for Enhanced Coherent Intense Extended Light) project proposes a panoply of light sources for the scientific community on a 1 GeV superconducting LINAC (phase 2) on which two ERL loops (1 and 2 GeV) are added in phase 3. LEL1 (200-1.5 nm), LEL2 (10-0.5 nm) and LEL4 (2-0.2 nm) are three kHz High Gain Harmonic Generation Free Electron Laser sources seeded with the High order Harmonics generated in Gas, with 100-30 FWHM pulses. A collaboration, which has been set-up with the SCSS Prototype Accelerator in Japan to test this key concept of ARC-EN-CIEL, has led to the experimental demonstration of the seeding with HHG and the observation up the 7th non linear harmonic with a seed at 160 nm. LEL3 (40-8 nm) installed on the 1 GeV loop is a MHz FEL oscillator providing higher average power and brilliance. In addition, in vacuum undulator spontaneous emission source extend the spectral range above 10 keV and intense THz radiation is generated by edge radiation of bending magnets. Optimisations and light sources characteristics are described.
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Submitted on : Tuesday, January 26, 2010 - 2:17:28 PM
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  • HAL Id : in2p3-00450345, version 1


M. E. Couprie, C. Benabderrhamane, M. Labat, A. Loulergue, O. Marcouillé, et al.. The ARC-EN-CIEL radiation sources. Particle Accelerator Conference (EPAC08), Jun 2008, Genoa, Italy. pp.73-75. ⟨in2p3-00450345⟩



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