Numerically processed interferometric nonlinear
refractive index measurements in the infrared spectral range
Posted on 04.08.2022 - 18:30
This study presents the development and application of interferometric technique for the measurement of nonlinear refractive index of optical materials, while directly accounting for experimentally determined laser pulse shape and beam profile. The method was employed in a systematic study of nonlinear refractive index on a series of common optical materials used in near and mid-IR spectral range, where experimental data on nonlinear material properties is still scarce. The values of nonlinear refractive index were determined at 1.03 𝜇m, 2.2 𝜇m and 3.2 𝜇m. The measurement results are compared to the values determined by previous studies (where available), and the influence of cascaded second-order nonlinearities is discussed.
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Jansonas, Gaudenis; Budriunas, Rimantas; Vengris, Mikas; Varanavicius, Arunas (2022): Numerically processed interferometric nonlinear refractive index measurements in the infrared spectral range. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.6117504.v2
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