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  • Kumar Maroju, PraveenAlbert-Ludwigs University Freiburg (author)

Attosecond pulse shaping using a seeded free-electron laser

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-02-10
  • Springer Science and Business Media LLC,2020
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/290282
  • https://gup.ub.gu.se/publication/290282URI
  • https://doi.org/10.1038/s41586-020-2005-6DOI
  • https://lup.lub.lu.se/record/5698197d-fc95-4889-980d-374066dfff5cURI

Supplementary language notes

  • Language:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Attosecond pulses are central to the investigation of valence- and core-electron dynamics on their natural timescales. The reproducible generation and characterization of attosecond waveforms has been demonstrated so far only through the process of high-order harmonic generation. Several methods for shaping attosecond waveforms have been proposed, including the use of metallic filters, multilayer mirrors and manipulation of the driving field. However, none of these approaches allows the flexible manipulation of the temporal characteristics of the attosecond waveforms, and they suffer from the low conversion efficiency of the high-order harmonic generation process. Free-electron lasers, by contrast, deliver femtosecond, extreme-ultraviolet and X-ray pulses with energies ranging from tens of microjoules to a few millijoules. Recent experiments have shown that they can generate subfemtosecond spikes, but with temporal characteristics that change shot-to-shot. Here we report reproducible generation of high-energy (microjoule level) attosecond waveforms using a seeded free-electron laser. We demonstrate amplitude and phase manipulation of the harmonic components of an attosecond pulse train in combination with an approach for its temporal reconstruction. The results presented here open the way to performing attosecond time-resolved experiments with free-electron lasers.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

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  • Di Fraia, MicheleElettra Sincrotrone Trieste (author)
  • Moioli, MatteoAlbert-Ludwigs University Freiburg (author)
  • Ertel, DominikAlbert-Ludwigs University Freiburg (author)
  • Ahmadi, HamedAlbert-Ludwigs University Freiburg (author)
  • Plekan, OksanaElettra Sincrotrone Trieste (author)
  • Finetti, PaolaElettra Sincrotrone Trieste (author)
  • Allaria, EnricoElettra Sincrotrone Trieste (author)
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  • De Ninno, GiovanniUniversity of Nova Gorica,Elettra Sincrotrone Trieste (author)
  • Spezzani, CarloElettra Sincrotrone Trieste (author)
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  • Billé, FulvioElettra Sincrotrone Trieste (author)
  • Lutman, Alberto A. (author)
  • Squibb, Richard J.University of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xsquri (author)
  • Feifel, RaimundUniversity of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xfeira (author)
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  • Simpson, Emma RoseLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)em2024si (author)
  • Mauritsson, JohanLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-jma (author)
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  • Harshitha, N. G.ELI Attosecond Light Pulse Source (ELI-ALPS) (author)
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  • Egebjerg Bækhøj, JensLouisiana State University (author)
  • Schafer, Kenneth J.Louisiana State University(Swepub:lu)fysi-ksc (author)
  • Gryzlova, Elena V.Sternberg Astronomical Institute (author)
  • Grum-Grzhimailo, Alexei N.Sternberg Astronomical Institute (author)
  • Prince, Kevin C.Elettra Sincrotrone Trieste (author)
  • Callegari, Carlo (author)
  • Sansone, GiuseppeAlbert-Ludwigs University Freiburg (author)
  • Albert-Ludwigs University FreiburgCNR Istituto di Struttura della Materia (CNR-ISM) (creator_code:org_t)

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  • In:Nature: Springer Science and Business Media LLC578, s. 386-3910028-08361476-4687

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