Method and system for the enhancement of fluorescence

Details Method and system for the enhancement of fluorescence Method and system for the enhancement of fluorescence

1985-05-10

1987-03-10

Fields, Carolyn E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

2504871, 250368, G01J 158

Patent

active

046492801

ABSTRACT:
Fluorescence enhancement is obtained using an optical waveguide consisting essentially of films of fluorescent molecules and of conductive material separated by a dielectric layer. The enhancement is believed to be due to the near field interaction between the molecules of the fluorescent material and the waveguide modal fields. No special couplers (prisms or gratings) are needed between the fluorescent material and the waveguide. The enhancement factor is in excess of two orders of magnitude over fluorescence from the material without the use of the waveguide.

REFERENCES:
patent: 3992631 (1976-11-01), Harte
patent: 4262206 (1981-04-01), Viehman
patent: 4371897 (1983-02-01), Kramer
Glass et al, "Interact. of Metal Particles with Absorb. Dye", Optics Letters, vol. 5, No. 9, Sep. 1980, p. 368.
Holland et al, "Surface-Plasman Dispersion . . . ", Physical Review B, vol. 27, No. 12, Jun.-83, p. 7766.
Drexhage, K. "Interaction of Height with . . . Dye Layers", Progress in Optics, Ed. E. Wolf, vol. XII, 1974, p. 191.

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