V. A. Svetlichnyi, T. N. Kopylova, Yu. P. Meshalkin, E. N. Prikhod'ko, “Two-photon excitation of phenalemine 512 by nanosecond pulses of a Nd:YAG laser”, Kvantovaya Elektronika, 2004, Volume 34, Number 8,Pages <nobr>722

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Two-photon excitation of phenalemine 512 by nanosecond pulses of a Nd:YAG laser

V. A. Svetlichnyi^a, T. N. Kopylova^a, Yu. P. Meshalkin^b, E. N. Prikhod'ko^a

^a Siberian Physicotechnical Institute at Tomsk State University
^b Novosibirsk State Technical University

Abstract: The two-photon absorption cross section of the efficient red laser dye 6-(Cyclohexylamino)-3-triflurometyl-1H-phenalen-1-one (phenalemine 512) in ethanol and polymethyl methacrylate excited by nanosecond pulses from a 1064-nm Nd:YAG laser is measured by the method of two-quantum standard. Lasing in phenalemine 512 is obtained upon two-photon excitation of the dye in solutions, a polymer matrix, and drops.

PACS: 42.55.Mv, 33.80.Be

Received: 06.04.2004