Spectral Fingerprinting Using Phase-Resolved Fluorescence Spectroscopy

Linda B McGown; Deborah S Kreiss

doi:10.1117/12.945442

27 April 1988 Spectral Fingerprinting Using Phase-Resolved Fluorescence Spectroscopy

Linda B McGown, Deborah S Kreiss

Proceedings Volume 0910, Fluorescence Detection II; (1988) https://doi.org/10.1117/12.945442
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Phase-resolved total luminescence spectroscopy is described for the spectral finger-printing of three different crude oil samples in cyclohexane and in aqueous solutions of sodium taurocholate (NaTC) micelles. Phase-resolved spectra collected at three different excitation modulation frequencies are compared with steady-state spectra in order to illustrate the effects of fluorescence lifetime selectivity. Each phase-resolved spectrum represents a fluorescence lifetime "window" created by the adjustment of the detector phase setting to suppress scattered light, and the lifetime range of the spectrum is determined by the excitation modulation frequency.

Citation Download Citation

Linda B McGown and Deborah S Kreiss "Spectral Fingerprinting Using Phase-Resolved Fluorescence Spectroscopy", Proc. SPIE 0910, Fluorescence Detection II, (27 April 1988); https://doi.org/10.1117/12.945442

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