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  • Zitnik, M (author)

High resolution multiphoton spectroscopy by a tunable free-electron-laser light.

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • 2014

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:47e43639-bc4d-4d7a-91cf-7c613f9204d4
  • https://lup.lub.lu.se/record/4816312URI
  • https://doi.org/10.1103/PhysRevLett.113.193201DOI
  • https://gup.ub.gu.se/publication/216152URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-237722URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • Seeded free electron lasers theoretically have the intensity, tunability, and resolution required for multiphoton spectroscopy of atomic and molecular species. Using the seeded free electron laser FERMI and a novel detection scheme, we have revealed the two-photon excitation spectra of dipole-forbidden doubly excited states in helium. The spectral profiles of the lowest (-1,0)^{+1} ^{1}S^{e} and (0,1)^{0} ^{1}D^{e} resonances display energy shifts in the meV range that depend on the pulse intensity. The results are explained by an effective two-level model based on calculated Rabi frequencies and decay rates.

Subject headings and genre

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

  • Mihelič, A (author)
  • Bučar, K (author)
  • Kavčič, M (author)
  • Rubensson, Jan-ErikUppsala universitet,Molekyl- och kondenserade materiens fysik(Swepub:uu)janerube (author)
  • Svanquist, MUppsala universitet,Molekyl- och kondenserade materiens fysik (author)
  • Söderström, JohanUppsala universitet,Molekyl- och kondenserade materiens fysik(Swepub:uu)josod677 (author)
  • Feifel, RaimundUppsala universitet,Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Molekyl- och kondenserade materiens fysik(Swepub:uu)rfe32143 (author)
  • Såthe, ConnyLund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory(Swepub:lu)maxl-cos (author)
  • Ovcharenko, Y (author)
  • Lyamayev, V (author)
  • Mazza, T (author)
  • Meyer, M (author)
  • Simon, M (author)
  • Journel, L (author)
  • Lüning, J (author)
  • Plekan, O (author)
  • Coreno, M (author)
  • Devetta, M (author)
  • Di Fraia, M (author)
  • Finetti, P (author)
  • Richter, R (author)
  • Grazioli, C (author)
  • Prince, K C (author)
  • Callegari, C (author)
  • Uppsala universitetMolekyl- och kondenserade materiens fysik (creator_code:org_t)

Related titles

  • In:Physical Review Letters113:191079-71140031-9007

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