Single Photon Counting With Synchronously Pumped Dye Laser Excitation

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Abstract
This article reviews the advances that have been made in the technique of pulse fluorometry with time-correlated single photon counting detection brought about by the introduction of mode-locked synchronously pumped dye laser excitation. High repetition rates and small pulse width permit high data collection rates and excellent time-resolution. A modern pulse fluorometer which allows efficient measurement of fluorescence decay curves as well as automated measurement of time-resolved fluorescence spectra and of fluorescence anisotropy decays is described in detail.