Two-dimensional spectroscopy at infrared and optical frequencies

  1. Robin M. Hochstrasser*
  1. Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323

  1. Edited by Jack Halpern, University of Chicago, Chicago, IL, and approved June 4, 2007 (received for review May 7, 2007)

Abstract

This Perspective on multidimensional spectroscopy in the optical and infrared spectral regions focuses on the principles and the scientific and technical challenges facing these new fields. The methods hold great promise for advances in the visualization of time-dependent structural changes in complex systems ranging from liquids to biological assemblies, new materials, and fundamental physical processes. The papers in this special feature on multidimensional spectroscopy in chemistry, physics, and biology are typical of many recent advances.

Footnotes

  • *E-mail: hochstra{at}sas.upenn.edu

  • Author contributions: R.M.H. wrote the paper.

  • The author declares no conflict of interest.

  • This article is a PNAS Direct Submission.

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This Article

  1. Published online before print July 30, 2007, doi: 10.1073/pnas.0704079104 PNAS September 4, 2007 vol. 104 no. 36 14190-14196
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Classifications

    • Multidimensional Ultrafast Spectroscopy Special Feature
    • Perspective
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