Nonlinear optical response of nanocomposites based on KDP single crystal with incorporated Al2O3*nH2O nanofibriles under CW and pulsed laser irradiation at 532nm
| Autor: | V.V. Multian, V. Ya. Gayvoronsky, Igor M. Pritula, E.I. Kostenyukova, O. N. Bezkrovnaya, A.S. Popov, A.V. Uklein, R. Le Dantec |
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| Přispěvatelé: | Laboratoire SYstèmes et Matériaux pour la MEcatronique (SYMME), Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry]) |
| Rok vydání: | 2016 |
| Předmět: |
010302 applied physics
Nanocomposite Materials science Fabrication business.industry Second-harmonic generation 02 engineering and technology 021001 nanoscience & nanotechnology 7. Clean energy 01 natural sciences Atomic and Molecular Physics and Optics Light scattering Electronic Optical and Magnetic Materials Crystal Optics 0103 physical sciences [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic Electrical and Electronic Engineering Physical and Theoretical Chemistry 0210 nano-technology business Single crystal Refractive index ComputingMilieux_MISCELLANEOUS Excitation |
| Zdroj: | Optics Communications Optics Communications, Elsevier, 2016, 379, pp.45-53. ⟨10.1016/j.optcom.2016.05.060⟩ |
| ISSN: | 0030-4018 |
| DOI: | 10.1016/j.optcom.2016.05.060 |
| Popis: | Optical properties and nonlinear optical response due to the CW and pulsed laser radiation self-action at 532 nm were studied in composites based on KDP single crystals with incorporated nanofibriles of nanostructured oxyhydroxide of aluminum (NOA). It was shown a high optical quality and structural homogeneity of nanocomposites KDP:NOA by the transmittance spectra, elastic optical scattering and XRD analysis. It was observed manifestation of the second harmonic generation efficiency enhancement in the KDP:NOA versus the nominally pure KDP ( λ =1064 nm, τ =1 ns) that is correlated with efficient refractive index self-modulation Δ n ∼ 10 − 4 ( λ =532 nm, τ =30 ps). In the pyramidal and prismatic growth sectors of the nominally pure KDP crystal it was shown opposite signs of the photoinduced variations both of the refractive index and of the optical absorption/bleaching due to resonant excitation of the native defects at 532 nm. It should be considered for the wide-aperture laser frequency KDP family based convertors fabrication. |
| Databáze: | OpenAIRE |
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