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Raman and Fluorescence Spectra of Single Optically Trapped Microdroplets in Emulsions

Volume 48, Number 9 (Sept. 1994) Page 1166-1168

Lankers, M.; Popp, J.; Kiefer, W.

By means of an optical trapping technique we have been able to trap single microdroplets in emulsions and to observe their Raman and/or fluorescence spectra. In the fluorescence spectra we could observe additional morphology-dependent electromagnetic resonances, from which the radius of the sphere can be determined.