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A multipurpose setup for ultrafast XUV spectroscopies.

Arun Ravindran1, Filippo Bencivenga2, Emanuele Coccia3

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A new tabletop ultrafast X-ray ultraviolet (XUV) system enables magnetic scattering and molecular spectroscopy. This advanced setup allows element-selective studies of transition metals and electron dynamics with high temporal resolution.

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Area of Science:

  • Atomic, Molecular, and Optical Physics
  • Materials Science
  • Quantum Optics

Background:

  • Ultrafast magnetic scattering and molecular spectroscopy require advanced light sources.
  • Studying M-absorption edges in transition metals and their alloys demands specific spectral ranges and high temporal resolution.
  • Investigating strong-field photoinduced electron dynamics necessitates precise control over light-matter interactions.

Purpose of the Study:

  • To develop and present a novel tabletop setup for ultrafast X-ray ultraviolet (XUV) magnetic scattering and molecular spectroscopy.
  • To enable element-selective pump-probe XUV magneto-optics studies.
  • To facilitate the investigation of strong-field photoinduced electron dynamics in molecular gases.

Main Methods:

  • Development of a tabletop XUV generation system with 35 fs pulse duration and 5 kHz repetition rate.
  • Optimization of the experimental setup for pump-probe XUV magneto-optics.
  • Integration of a chamber for acquiring harmonic spectra from molecular gases.

Main Results:

  • The developed system provides XUV light suitable for studying M-absorption edges in transition metals and alloys.
  • Demonstration of element selectivity in XUV magneto-optics experiments.
  • Successful acquisition of harmonic spectra for investigating electron dynamics.

Conclusions:

  • The novel tabletop XUV system is a versatile platform for ultrafast magnetic scattering and molecular spectroscopy.
  • The setup offers element selectivity and high temporal resolution for advanced materials and dynamics studies.
  • This development opens new avenues for exploring complex quantum phenomena in condensed matter and molecular systems.