Abstract

We report a new family of organometallic compounds that exhibit optical limiting through reverse saturable absorption. The optical limiting properties of the metal cluster compounds HFeCo3(CO)12, [NEt4]+FeCo3(CO)12, HFeCo3(CO)10(PMe3)2, and HFeCo3(CO)10(P(C6H5)3)2 were measured at 532 nm using 8-nsec pulses. Pulse narrowing from 8 to 4 nsec was observed. The data indicate that the optical-limiting properties are essentially independent of the type of counter ion substituted in the compound but dependent on the ligand-type substitution.

© 1990 Optical Society of America

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