Commercial Fluorescence Lifetime Spectrometers have long suffered from the lack of a simple, compact and relatively
inexpensive broad spectral band light source that can be flexibly employed for both quasi-steady state and time resolved
measurements (using Time Correlated Single Photon Counting [TCSPC]). This paper reports the integration of an
optically pumped photonic crystal fibre, supercontinuum source1 (Fianium model SC400PP) as a light source in
Fluorescence Lifetime Spectrometers (Edinburgh Instruments FLS920 and Lifespec II), with single photon counting
detectors (micro-channel plate photomultiplier and a near-infrared photomultiplier) covering the UV to NIR range. An
innovative method of spectral selection of the supercontinuum source involving wedge interference filters is also
discussed.
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