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      Erratum: “Polarization-resolved extinction and scattering cross-sections of individual gold nanoparticles measured by wide-field microscopy on a large ensemble” [Appl. Phys. Lett. 102, 131107 (2013)]

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      Applied Physics Letters

      AIP Publishing

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          Polarization-resolved extinction and scattering cross-section of individual gold nanoparticles measured by wide-field microscopy on a large ensemble

           ,  ,   (2013)
          We report a simple, rapid, and quantitative wide-field technique to measure the optical extinction \(\sigma_{\rm ext}\) and scattering \(\sigma_{\rm sca}\) cross-section of single nanoparticles using wide-field microscopy enabling simultaneous acquisition of hundreds of nanoparticles for statistical analysis. As a proof of principle, we measured nominally spherical gold nanoparticles of 40\,nm and 100\,nm diameter and found mean values and standard deviations of \(\sigma_{\rm ext}\) and \(\sigma_{\rm sca}\) consistent with previous literature. Switching from unpolarized to linearly polarized excitation, we measured \(\sigma_{\rm ext}\) as a function of the polarization direction, and used it to characterize the asphericity of the nanoparticles. The method can be implemented cost-effectively on any conventional wide-field microscope and is applicable to any nanoparticles.
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            Author and article information

            Journal
            Applied Physics Letters
            Appl. Phys. Lett.
            AIP Publishing
            0003-6951
            1077-3118
            May 29 2017
            May 29 2017
            : 110
            : 22
            : 229901
            Article
            10.1063/1.4984950
            © 2017
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