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Optical property of gold nanoparticle embedded chalcogenide glasses

Abstract : Gold nanoparticles (Au-NPs) were prepared within bulk Ge-Sn-Se chalcogenide glass (ChG) by the thermal treatment method. In the ChG matrix, growth of the Au-NPs with optical activity gives rise to a threshold behavior of optical bandgap of the ChG. By using Z-scan and optical parametric amplify techniques, improved mid-infrared third-order optical nonlinearity, namely larger nonlinear refraction without multi-photon absorption, was observed in the nanocomposites at a mid-infrared wavelength of 3 mu m. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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Contributor : Laurent Jonchère <>
Submitted on : Tuesday, October 23, 2018 - 2:14:05 PM
Last modification on : Wednesday, April 7, 2021 - 3:18:11 PM

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Feifei Chen, Beijing Qiao, Shixun Dai, Xianghua Zhang, Wei Ji. Optical property of gold nanoparticle embedded chalcogenide glasses. Optical Materials Express, OSA pub, 2018, 8 (10), pp.3197-3207. ⟨10.1364/OME.8.003197⟩. ⟨hal-01902039⟩



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