Retrieving pulse profiles from pump-probe measurements on magnetization dynamics

C. Józsa, J.H.H. Rietjens, M. Kampen, van, E. Smalbrugge, M.K. Smit, W.J.M. Jonge, de, B. Koopmans

Research output: Contribution to journalArticleAcademicpeer-review

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A method for back-tracing magnetic field pulses in pump-probe-type magnetization dynamics measurements is presented. Solving vectorially the Landau–Lifshitz–Gilbert equation for our field-induced measurement geometry yields field pulse profiles fulfilling the theoretical expectations on a 100 ps timescale. Applying the method to our earlier, all-optical-type pump-probe measurements, the claim that the optical pulse triggers an ultrafast anisotropy field pulse gets a direct proof: we derive a pulse consisting of a delta-peak type, full width at half maximum
Original languageEnglish
Pages (from-to)7447-4
Number of pages4
JournalJournal of Applied Physics
Issue number11
Publication statusPublished - 2004


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