Optical power limiting in solution via two-photon absorption: new aromatic heterocyclic dyes with greatly improved performance

Bruce A. Reinhardt; Lawrence L. Brott; Stephen J. Clarson; Ramamurthi Kannan; Ann G. Dombroskie

doi:10.1117/12.279298

10 October 1997 Optical power limiting in solution via two-photon absorption: new aromatic heterocyclic dyes with greatly improved performance

Bruce A. Reinhardt, Lawrence L. Brott, Stephen J. Clarson, Ramamurthi Kannan, Ann G. Dombroskie

Author Affiliations +

Proceedings Volume 3146, Nonlinear Optical Liquids and Power Limiters; (1997) https://doi.org/10.1117/12.279298
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

Organic compounds which exhibit optical power limiting exclusively via a two-photon absorption (TPA) mechanism have shown only little promise for providing the limiting activity necessary for the practical protection of eyes and sensors. Unfortunately, there have been few systematic studies of the molecular structure I two-photon absorption property relationships for organics documented in the literature. In order to enable the design and synthesis of new molecules with much larger two-photon absorption cross-sections and improved limiting properties, the synthetic chemist must have access to well defined structure Iproperty data. In an attempt to fill this void, work in our laboratory has centered on the design and synthesis of several new families of aromatic heterocyclic chromophores with systematic variations in their molecular structures. Careful characterization of these new materials in solution at the Photonics Research Laboratory, SUNY Buffalo has produced some well-defined structure Itwo-photon property relationships at 800 nm. In this presentation we will discuss the design and synthesis of these materials with special emphasis of how the flexibility of the synthetic scheme employed enables the incorporation of these chromophores into a wide variety of materials forms. The characterization of the twophoton properties of these materials and the relationship of these results to their optical limiting behavior in solution will also be reviewed.

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Bruce A. Reinhardt, Lawrence L. Brott, Stephen J. Clarson, Ramamurthi Kannan, and Ann G. Dombroskie "Optical power limiting in solution via two-photon absorption: new aromatic heterocyclic dyes with greatly improved performance", Proc. SPIE 3146, Nonlinear Optical Liquids and Power Limiters, (10 October 1997); https://doi.org/10.1117/12.279298

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