Photophysical and photochemical properties of some tetrapyrrole derivatives under power laser radiation

E. G. Ermolina; R. T. Kuznetsova; N. Rusakova; Yu. V. Korovin; S. M. Arabei; T. A. Pavich

doi:10.1117/12.880285

6 January 2011 Photophysical and photochemical properties of some tetrapyrrole derivatives under power laser radiation

E. G. Ermolina, R. T. Kuznetsova, N. Rusakova, Yu. V. Korovin, S. M. Arabei, T. A. Pavich

Proceedings Volume 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics; 799305 (2011) https://doi.org/10.1117/12.880285
Event: International Conference on Coherent and Nonlinear Optics (ICONO 2010) and International Conference on Lasers, Applications and Technologies (LAT 2010), 2010, Kazan, Russian Federation

Abstract

Spectral-luminesnce, nonlinear-optical and photochemical characteristics of metal complexes with new tetraphenylporphyrin (TPP) derivatives, with atom Lu(III) or Gd(III) in the ligand-complexone or as a central ion, in liquid and frozen solutions and in state-solid polymer matrices also are studied. The limiting coefficient (LC=T₀/T_W) at power density about 250 MW/cm² chosen as gauge of nonlinear-optical properties. Phototransformation quantum yield under 2nd harmonic of Nd-YAG-laser irradiation (φ₅₃₂) chosen as gauge of photostability. Results of investigation show significant nonlinearity of studied substances caused by reverse saturable absorption. Compounds photostability quite enough, spectral characteristics of irradiated samples are evidence of protonated nature of photoproduct, which in one's part make contribution to power radiation absorption.

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E. G. Ermolina, R. T. Kuznetsova, N. Rusakova, Yu. V. Korovin, S. M. Arabei, and T. A. Pavich "Photophysical and photochemical properties of some tetrapyrrole derivatives under power laser radiation", Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 799305 (6 January 2011); https://doi.org/10.1117/12.880285

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