Abstract
Reverse saturable absorption (RSA) is currently of interest for applications in optical limiting1 and in generating ultrashort pulses from solid-state lasers.2 Organometallic compounds such as iron tricobalt clusters [HFeCo3(CO)12], King's complex [Fe(C5H5)CO]4, and synthesized variations have recently been shown3 to exhibit strong RSA when excited by intense 10-ns pulses at 532 nm. However, many of the dynamics in these systems occur on picosecond (or faster) time scales. Here we describe the application of picosecond, time-resolved, optical techniques to measure the dynamics in King's complex.4 This information is essential to the development of optical devices based on this material.
© 1991 Optical Society of America
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