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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
14
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pubmed:dateCreated |
2011-5-12
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pubmed:abstractText |
We report the first experimental implementation of a method based on simultaneous use of an energy chirp in the electron beam and a tapered undulator, for the generation of ultrashort pulses in a self-amplified spontaneous emission mode free-electron laser (SASE FEL). The experiment, performed at the SPARC FEL test facility, demonstrates the possibility of compensating the nominally detrimental effect of the chirp by a proper taper of the undulator gaps. An increase of more than 1 order of magnitude in the pulse energy is observed in comparison to the untapered case, accompanied by FEL spectra where the typical SASE spiking is suppressed.
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pubmed:language |
eng
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pubmed:journal |
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pubmed:status |
PubMed-not-MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
1079-7114
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pubmed:author |
pubmed-author:BacciAA,
pubmed-author:BellavegliaMM,
pubmed-author:BriquelPP,
pubmed-author:CastellanoMM,
pubmed-author:ChiadroniEE,
pubmed-author:CianchiAA,
pubmed-author:CiocciFF,
pubmed-author:CouprieM EME,
pubmed-author:CultreraLL,
pubmed-author:DattoliGG,
pubmed-author:Del FrancoMM,
pubmed-author:Di PirroGG,
pubmed-author:FerrarisAA,
pubmed-author:FiccadentiLL,
pubmed-author:FilippettoDD,
pubmed-author:FrassettoFF,
pubmed-author:GalloAA,
pubmed-author:GattiGG,
pubmed-author:GiannessiLL,
pubmed-author:LabatMM,
pubmed-author:MarcusGG,
pubmed-author:MorenoMM,
pubmed-author:MostacciAA,
pubmed-author:PaciAA,
pubmed-author:PetraliaAA,
pubmed-author:PetrilloVV,
pubmed-author:PolettiJJ,
pubmed-author:QuattrominiMM,
pubmed-author:RauJ VJV,
pubmed-author:RonsivalleCC,
pubmed-author:RosenzweigJJ,
pubmed-author:Rossi AlbertiniVV,
pubmed-author:RossoA LAL,
pubmed-author:SabihZZ,
pubmed-author:SerlucaMM,
pubmed-author:SpampinatiSS,
pubmed-author:SpassovskyII,
pubmed-author:SpataroBB,
pubmed-author:SurrentiVV,
pubmed-author:VaccarezzaCC,
pubmed-author:VicarioCC
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pubmed:issnType |
Electronic
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pubmed:day |
8
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pubmed:volume |
106
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
144801
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pubmed:year |
2011
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pubmed:articleTitle |
Self-amplified spontaneous emission free-electron laser with an energy-chirped electron beam and undulator tapering.
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pubmed:affiliation |
ENEA C.R. Frascati, Via E. Fermi,45 00044 Frascati (RM), Italy. luca.giannessi@enea.it
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pubmed:publicationType |
Journal Article
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