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Related Experiment Video

Updated: May 10, 2026

Measurement of Ultrafast Vibrational Coherences in Polyatomic Radical Cations with Strong-Field Adiabatic Ionization
08:22

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Published on: August 6, 2018

Fifth-order three-dimensional electronic spectroscopy using a pump-probe configuration.

Zhengyang Zhang1, Kym L Wells, Marco T Seidel

  • 1Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, Singapore 637371.

The Journal of Physical Chemistry. B
|July 2, 2013
PubMed
Summary
This summary is machine-generated.

We demonstrate fifth-order three-dimensional (3D) electronic spectroscopy, a powerful technique for studying molecular dynamics. Our method uses a pulse shaper and phase cycling to achieve precise spectral measurements.

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Area of Science:

  • Physical Chemistry
  • Spectroscopy
  • Quantum Mechanics

Background:

  • Fifth-order electronic spectroscopy provides insights into complex molecular dynamics.
  • Previous methods lacked the precision to isolate individual spectral contributions.
  • Controlling multiple waiting periods is crucial for detailed dynamic analysis.

Purpose of the Study:

  • To theoretically detail and experimentally demonstrate fifth-order 3D electronic spectroscopy.
  • To utilize pulse shaping and phase cycling for enhanced spectral resolution.
  • To measure purely absorptive 3D spectra and individual fifth-order processes.

Main Methods:

  • Employing a pump-probe beam geometry for spectroscopic analysis.
  • Utilizing an advanced pulse shaper for precise temporal control.
  • Implementing 8-step and 27-step phase cycling schemes for spectral isolation.

Main Results:

  • Successful experimental demonstration of fifth-order 3D electronic spectroscopy.
  • Measurement of purely absorptive 3D spectra and individual fifth-order contributions.
  • Obtained 3D spectra as a function of two controllable waiting times.
  • Experimental results show excellent agreement with theoretical predictions.

Conclusions:

  • The developed technique enables detailed investigation of ultrafast molecular dynamics.
  • Phase cycling schemes effectively isolate specific spectroscopic pathways.
  • This advancement offers new possibilities for understanding complex quantum phenomena.