Edingburgh Instruments FLS-980 spectrofluorimeter for excitation spectroscopy, emission spectroscopy and phosphorescence lifetime measurements (microseconds range). The instrument is equipped with a 450 W Xe-arc lamp emission source, a 60 W µF Pulsed Xenon light source (phosphorescence lifetime measurements between 1 µs and 10 s), a red photomultiplier detector (200 nm – 870 nm) and extended red photomultiplier detector (200 nm – 1010 nm) and a 2 W 980 nm CW laser and 2 W 808 nm CW laser (for upconversion and lifetime measurements). Furthermore, a standard liquid sample holder and a Front Face solid sample holder are available.