16 October 1998 Third-order nonlinearity optical properties of the films of cyanine dye with borate anion
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Abstract
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, Roman V. Markov, Sergei G. Rautian, Natalja A. Orlova, Vladimir V. Shelkovnikov, 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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