14 May 2018 Determination of Kerr and two-photon absorption coefficients of ABI thin films
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In this paper we report the results of studied nonlinear optical properties of DMABI-Ph6 in form of solutions with chloroform as solvent and guest-host thin films with poly(methyl methacrylate) as host material. We implemented the Zscan method for studies of Kerr and two-photon absorption of selected material. During experimental measurements we used 1064 nm Nd:YAG laser with 30 ps pulse duration and 10 Hz repetition rate. From acquired values of Kerr coefficients we calculated values for real part of third-order susceptibility, as well as second-order hyperpolarizability. Acquired data for DMABI-Ph6 were compared with data for other ABI derivatives studied previously to describe how different donor and acceptor groups influence third-order nonlinear optical properties.
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Arturs Bundulis, Arturs Bundulis, Edgars Nitiss, Edgars Nitiss, Martins Rutkis, Martins Rutkis, "Determination of Kerr and two-photon absorption coefficients of ABI thin films", Proc. SPIE 10684, Nonlinear Optics and its Applications 2018, 1068426 (14 May 2018); doi: 10.1117/12.2307378; https://doi.org/10.1117/12.2307378

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