Observation of two-photon absorption in rhodamine 6G using photoacoustic technique
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Elsevier B. V.
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Two-photon absorption in Rhodamine 6G using the second harmonic of a pulsed Q-switched Nd:YAG laser has been studied by photoacoustic technique. It is observed that there is a competition between one-photon and two-photon absorption processes. At lower concentration the two-photon process is predominant over the one-photon process.
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Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations)
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Optics Communications, 1990, Vol.74, p313-317
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1990 Elsevier B. V.