16 October 1998 Third-order nonlinearity optical properties of the films of cyanine dye with borate anion
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The formation of thin-solid J-aggregated films Pseudoisocyanine prepared by spin-coating method is described. The process of dye aggregation was stimulated by addition of anions B10H10-2 and B12H12-2. It is shown that only addition of decahydro-closo-decaborate dianion (B10H10-2) to initial solution of dye give rise the J-aggregation with high efficiency. Obtained films have long storage time and suitable for non-linear optical measurements. The third-order susceptibility close to J-peak of PIC aggregates in films was studied by Z-scan method. Prepared films have a large magnitude of (chi) (3) to approximately 10-5 esu. The thermal contribution to the optical nonlinear response of dye films was estimated by use Kramers-Kronig relationship.
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Alexander I. Plekhanov, Alexander I. Plekhanov, Roman V. Markov, Roman V. Markov, Sergei G. Rautian, Sergei G. Rautian, Natalja A. Orlova, Natalja A. Orlova, Vladimir V. Shelkovnikov, Vladimir V. Shelkovnikov, Vladimir V. Volkov, Vladimir V. Volkov, } "Third-order nonlinearity optical properties of the films of cyanine dye with borate anion", Proc. SPIE 3473, Third-Order Nonlinear Optical Materials, (16 October 1998); doi: 10.1117/12.328187; https://doi.org/10.1117/12.328187

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