Abstract

Experimental data on the angular distribution of fluorescence from thick liquid dye layers excited by evanescent waves are found to agree well with Fresnel theory and with an effective thickness formulation. Qualitative agreement of theory with fluorescence data obtained from monodispersed spherical particles having diameters comparable to the wavelength of the incident evanescent radiation and impregnated with dye moleculesis also attained. From our results, the optimum incident and observation angles and polarizations to enhance the contrast and SNR for inelastic ATR reemission spectroscopy applied to studying micron or submicron layers of particulates can be predicted.

© 1979 Optical Society of America

Elastic scattering of evanescent electromagnetic waves

Herman Chew, Dau-Sing Wang, and Milton Kerker
Appl. Opt. 18(15) 2679-2687 (1979)

Angular distribution of fluorescence from monodispersed particles

El-Hang Lee, R. E. Benner, J. B. Fenn, and R. K. Chang
Appl. Opt. 17(13) 1980-1982 (1978)

Raman and fluorescent scattering by molecules embedded in spheres with radii up to several multiples of the wavelength

M. Kerker and S. D. Druger
Appl. Opt. 18(8) 1172-1179 (1979)

Backscattering of a picosecond pulse from densely distributed scatterers

Koichi Shimizu, Akira Ishimaru, Larry Reynolds, and Adam P. Bruckner
Appl. Opt. 18(20) 3484-3488 (1979)

Enhanced total reflection with surface plasmons

G. A. Plotz, H. J. Simon, and J. M. Tucciarone
J. Opt. Soc. Am. 69(3) 419-422 (1979)