Fluorescence-detected three-dimensional linear dichroism: A method to determine absorption anisotropy in single sub-wavelength size nanoparticles

Shu Furumaki, Satoshi Habuchi, Martin Vacha*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We introduce theoretically and demonstrate experimentally a method for the determination of three-dimensional absorption anisotropy (three-dimensional linear dichroism) of single luminescent nanoparticles. The anisotropy is measured by monitoring polarization-modulated fluorescence intensity excited alternately by epi-illumination and by total internal reflection. As an example of the application of the method, three-dimensional linear dichroism measured on single light-harvesting systems of photosynthetic bacteria is presented.

Original languageEnglish (US)
Pages (from-to)312-314
Number of pages3
JournalChemical Physics Letters
Volume487
Issue number4-6
DOIs
StatePublished - Mar 5 2010
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry

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