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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 20, Iss. 3 — Mar. 1, 2003
  • pp: 564–567

Directional laserlike emission from a dye-doped polymer containing rutile nanoparticles

Márcio A. R. C. Alencar, Anderson S. L. Gomes, and Cid B. de Araújo  »View Author Affiliations

JOSA B, Vol. 20, Issue 3, pp. 564-567 (2003)

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A novel scheme for generation of laserlike emission from highly scattering media is presented. A high degree of directionality is obtained owing to the excitation of surface plasmons in a silver film. The electromagnetic energy coupled to surface plasmons is transferred to a polymeric disk containing Rhodamine and TiO2 nanospheres placed in close contact with the film. The fluorescence produced in the disk, outcoupled through a prism, displays features of a “laser paint” plus a high directionality.

© 2003 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(290.0290) Scattering : Scattering
(290.4210) Scattering : Multiple scattering
(300.2530) Spectroscopy : Fluorescence, laser-induced

Márcio A. R. C. Alencar, Anderson S. L. Gomes, and Cid B. de Araújo, "Directional laserlike emission from a dye-doped polymer containing rutile nanoparticles," J. Opt. Soc. Am. B 20, 564-567 (2003)

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