Picosecond investigations of optical limiting mechanisms in King's complex

Boggess, Thomas F.; Allan, Graham; Rychnovsky, S. J.; Labergerie, D.; Venzke, C. H.; Smirl, Arthur L.; Tutt, Lee W.; Kost, Alan; McCahon, S. W.; Klein, Martin

doi:10.1117/12.133318

Cited by 19 publications

(2 citation statements)

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“…These compounds include phthalocyanine, 5,6 metallophthalocyanine, 6,7 ion tricobalt clusters, 8 and King's complex. [9][10][11] Physically, RSA occurs as a consequence of the absorption cross section of an excited molecular state being greater than that of the ground state. As the optical excitation intensity increases, more molecules are promoted to the excited state, thus giving rise to higher absorption at intense light excitation.…”

Section: Introductionmentioning

confidence: 99%

Nanosecond reverse saturable absorption in cubanelike transition-metal clusters

Tang

et al. 1995

J. Opt. Soc. Am. B

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We report the measurement of reverse saturable absorption in four cubanelike transition-metal clusters with nanosecond laser pulses. We also present a five-level rate-equation model in which ionization and germinate recombination are included. A comparison between the model and the measured data shows that the population of the triplet states is generated mainly through the ionization-recombination process, and triplet-triplet absorption is responsible for the measured reverse saturable absorption.

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Section: Introductionmentioning

confidence: 99%

Nanosecond reverse saturable absorption in cubanelike transition-metal clusters

Tang

et al. 1995

J. Opt. Soc. Am. B

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“…The selection of efficient materials is still the key point for optical power limiters and it has led to the study of materials that exhibit strong nonlinear absorption [2,3]. NLO organic molecules possess a strong donar-acceptor intermolecular interaction due to the presence of easily polarizable delocalized -electrons in the system.…”

Section: Introductionmentioning

confidence: 99%