Abstract

The nanosecond optical-limiting characteristics (at 532 nm) of some rare-earth metallo-phthalocyanines $(\mathrm{Sm}(\mathrm{Pc}{)}_2,$ $\mathrm{Eu}(\mathrm{Pc}{)}_2,$ and LaPc) doped in a copolymer matrix of poly(methyl methacrylate) and methyl-2-cyanoacrylate have been studied for the first time to our knowledge. The optical-limiting response is attributed to reverse saturable absorption due to excited-state absorption. The performance of LaPc in a copolymer host is studied at different linear transmissions. The laser damage thresholds of all the samples are also reported.

© 2003 Optical Society of America

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