11 November 2009 Optical properties of thin polymer films
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In this report three types of optical polymer thin films deposited on glass substrates are investigated. Transmission spectra of the polymer samples are obtained in the range from 400 nm to 1500 nm. A laser microrefractometer has been used to measure the refractive indices of the examined materials at 406, 656, 910 and 1320 nm. Dispersion properties of the polymer films are analyzed on the base of the Cauchy-Schott's and Sellmeier`s approximations. Dispersion coefficients are calculated and dispersion charts in the visible and near infrared spectral regions are presented and compared. Abbe numbers of mean and partial dispersion of the polymer films are obtained. Calculation of refractive indices at many laser emission wavelengths in the considered spectral range is accomplished.
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Stefka N. Kasarova, Stefka N. Kasarova, Nina G. Sultanova, Nina G. Sultanova, Tzveta Petrova, Tzveta Petrova, Violeta Dragostinova, Violeta Dragostinova, Ivan Nikolov, Ivan Nikolov, } "Optical properties of thin polymer films", Proc. SPIE 7501, International Conference on Ultrafast and Nonlinear Optics 2009, 75010P (11 November 2009); doi: 10.1117/12.849075; https://doi.org/10.1117/12.849075

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