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Opt Lett. 1985 Aug 1;10(8):414-6.

Waveguide mode enhancement of molecular fluorescence.

Abstract

We report the observation of enhanced fluorescence from molecules deposited on the surface of an optical waveguide structure. We attribute the enhancement to the near-field interaction between the Rhodamine B molecules and the waveguide's modal fields. The process does not require the use of prism or grating couplers and can give rise to an enhancement factor in excess of 2 orders of magnitude.

PMID:
19724466
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