Alterations of single molecule fluorescence lifetimes in near-field optical microscopy.

@article{Ambrose1994AlterationsOS,
  title={Alterations of single molecule fluorescence lifetimes in near-field optical microscopy.},
  author={William Patrick Ambrose and Peter M Goodwin and Richard A. Keller and John Charles Martin},
  journal={Science},
  year={1994},
  volume={265 5170},
  pages={
          364-7
        }
}
Fluorescence lifetimes of single Rhodamine 6G molecules on silica surfaces were measured with pulsed laser excitation, time-correlated single photon counting, and near-field scanning optical microscopy (NSOM). The fluorescence lifetime varies with the position of a molecule relative to a near-field probe. Qualitative features of lifetime decreases are consistent with molecular excited state quenching effects near metal surfaces. The technique of NSOM provides a means of altering the environment… CONTINUE READING

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