Three-dimensional vibrational imaging of a microcrystalline J-aggregate using supercontinuum-based ultra-broadband multiplex coherent anti-stokes Raman scattering microscopy

Hideaki Kano, Hiro O. Hamaguchi

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Vibrational properties of a porphyrin J-aggregate microcrystal have been investigated by ultra-broadband multiplex coherent anti-Stokes Raman scattering (CARS) microspectroscopy using a supercontinuum light source generated from a photonic crystal fiber. Owing to a strong resonance effect due to an excitonic transition, clear spectral and spatial profiles of the CARS signal have been successfully obtained. On the basis of the comparison between the CARS and the fluorescence images, the spatial dependence of the CARS signal can be explained by the spatial inhomogeneity of the excitonic transition energy in the single J-aggregate microcrystal.

Original languageEnglish
Pages (from-to)3120-3126
Number of pages7
JournalJournal of Physical Chemistry B
Volume110
Issue number7
DOIs
Publication statusPublished - Feb 23 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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