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Generation of GW radiation pulses from a VUV free-electron laser operating in the femtosecond regime |
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| Authors: | Ayvazyan V Baboi N Bohnet I Brinkmann R Castellano M Castro P Catani L Choroba S Cianchi A Dohlus M Edwards H T Faatz B Fateev A A Feldhaus J Flöttmann K Gamp A Garvey T Genz H Gerth Ch Gretchko V Grigoryan B Hahn U Hessler C Honkavaara K Hüning M Ischebeck R Jablonka M Kamps T Körfer M Krassilnikov M Krzywinski J Liepe M Liero A Limberg T Loos H Luong M Magne C Menzel J Michelato P Minty M Müller U-C Nölle D Novokhatski A Pagani C Peters F Pflüger J Piot P Plucinski L Rehlich K Reyzl I Richter A Rossbach J Saldin E L Sandner W Schlarb H Schmidt G Schmüser P Schneider J R Schneidmiller E A |
| Institution: | Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, 22603 Hamburg, Germany. |
| Abstract: | Experimental results are presented from vacuum-ultraviolet free-electron laser (FEL) operating in the self-amplified spontaneous emission (SASE) mode. The generation of ultrashort radiation pulses became possible due to specific tailoring of the bunch charge distribution. A complete characterization of the linear and nonlinear modes of the SASE FEL operation was performed. At saturation the FEL produces ultrashort pulses (30-100 fs FWHM) with a peak radiation power in the GW level and with full transverse coherence. The wavelength was tuned in the range of 95-105 nm. |
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