Studies on resonantly excited plasmonic effects on single molecule fluorescence of Rhodamine6G

Aparajita Singha; Soham Basu; Rani Dutta; B. P. Singh; T. Kundu

doi:10.1117/12.900046

23 August 2011 Studies on resonantly excited plasmonic effects on single molecule fluorescence of Rhodamine6G

Aparajita Singha, Soham Basu, Rani Dutta, B. P. Singh, T. Kundu

Proceedings Volume 8173, Photonics 2010: Tenth International Conference on Fiber Optics and Photonics; 81731M (2011) https://doi.org/10.1117/12.900046
Event: International Conference on Fiber Optics and Photonics, 2010, Guwahati, India

Abstract

We report our experimental observations of variation in on-off statistics and fluorescence intensity of single Rhodamine6G molecules in presence of resonantly driven surface plasmon of silver nanoparticle. Derived lifetimes from on-off statistics of fluorophore show that interaction between the fluorophore and the subwavelength metal nanoparticle improves photostability and enhances fluorescence intensity. This enhancement follows the trend predicted by the dipole-dipole interaction model.

Citation Download Citation

Aparajita Singha, Soham Basu, Rani Dutta, B. P. Singh, and T. Kundu "Studies on resonantly excited plasmonic effects on single molecule fluorescence of Rhodamine6G", Proc. SPIE 8173, Photonics 2010: Tenth International Conference on Fiber Optics and Photonics, 81731M (23 August 2011); https://doi.org/10.1117/12.900046

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