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Characteristics of two-photon absorption in methanol solutions of Rhodamine 6G using laser induced pulsed photoacoustics

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Institute of Physics

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Abstract

Two-photon absorption in methanal solutions of Rhodamine 6G is investigated by photoacoustics using the second harmonic of a pulsed Nd:YAG laser. Competition between one-photon and two-photon processes is observed, depending critically on the sample concentration and input light flux.

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Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations)

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Journal of Physics B: Atomic, Molecular and Optical Physics, 1992, Vol.25, p155

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1992 Institute of Physics