Both the radiation pattern and the total emitted power, which is proportional to the decay rate, of a dipole depend on its distance from a mirror.

In optics, Drexhage experiment is an experiment on the decay rate of a dipole near a mirror. It was performed by K. H. Drexhage and his colleagues in the 1960s. As the presence of the mirror creates regions of higher and lower density of states, the measured decay rate depends on the distance between the mirror and the dipole. The modification of the decay rate with respect to the distance is also known as the Drexhage effect.[1][2]

References

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  1. ^ K. H. Drexhage; H. Kuhn; F. P. Schäfer (1968). "Variation of the Fluorescence Decay Time of a Molecule in Front of a Mirror". Berichte der Bunsengesellschaft für physikalische Chemie. 72 (2): 329. doi:10.1002/bbpc.19680720261. S2CID 94677437.
  2. ^ K. H. Drexhage (1970). "Influence of a dielectric interface on fluorescence decay time". Journal of Luminescence. 1: 693–701. Bibcode:1970JLum....1..693D. doi:10.1016/0022-2313(70)90082-7.
  3. ^ Barnes, W. L. (1998). "Fluorescence near interfaces: The role of photonic mode density". Journal of Modern Optics. 45 (4): 661–699. doi:10.1080/09500349808230614.
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