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A new class of third-order nonlinear optical materials: laser pulse-duration dependant saturable absorption and
Anna Pintus1, Cristian Pilloni1, Gabriele Pippia1
1Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, S. S. 554 Bivio per Sestu, 09042 Monserrato, CA, Italy. apintus@unica.it.
Dalton Transactions (Cambridge, England : 2003)
|June 26, 2023
Abstract:
The third-order nonlinear optical (NLO) properties of a series of platinum diimine-dithiolate complexes [Pt(N^N)(S^S)] were investigated by means of Z-scan measurements, revealing second hyperpolarizability values up to 10-29 esu, saturable absorption properties, and nonlinear refractive behaviour, which were rationalized also by means of DFT calculations.

