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Journal Article

Measuring the quantum efficiency of the optical emission of single radiating dipoles using a scanning mirror

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Citation

Buchler, B., Kalkbrenner, T., Hettich, C., & Sandoghdar, V. (2005). Measuring the quantum efficiency of the optical emission of single radiating dipoles using a scanning mirror. Physical Review Letters, 95: 063003. doi:10.1103/PhysRevLett.95.063003.


Cite as: https://hdl.handle.net/21.11116/0000-0002-9B72-F
Abstract
Using scanning probe techniques, we show the controlled manipulation of the radiation from single dipoles. In one experiment we study the modification of the fluorescence lifetime of a single molecular dipole in front of a movable silver mirror. A second experiment demonstrates the changing plasmon spectrum of a gold nanoparticle in front of a dielectric mirror. Comparison of our data with theoretical models allows determination of the quantum efficiency of each radiating dipole.