conference paper High numerical aperture meta-lenses at visible wavelengths published yes M. Khorasaninejad author W. T. Chen author A. Zhu author J. Oh author Charles Roques-Carmes author e2e68fc9-6505-11ef-a541-eb4e72cc3e82 I. Mishra author R. C. Devlin author F. Capasso author FiO: Frontiers in Optics We report high numerical aperture meta-lenses in the visible spectrum with focal spots as small as 0.65λ. Meta-lenses are based on ultra-thin titanium dioxide metasurface phase masks. They operate in transmission mode and are polarization-insensitive. Optica Publishing Group2016Rochester, NY, United States eng Frontiers in Optics 201610.1364/fio.2016.jw4a.63 yes Khorasaninejad, M., W. T. Chen, A. Zhu, J. Oh, Charles Roques-Carmes, I. Mishra, R. C. Devlin, and F. Capasso. “High Numerical Aperture Meta-Lenses at Visible Wavelengths.” In <i>Frontiers in Optics 2016</i>. Optica Publishing Group, 2016. <a href="https://doi.org/10.1364/fio.2016.jw4a.63">https://doi.org/10.1364/fio.2016.jw4a.63</a>. M. Khorasaninejad <i>et al.</i>, “High numerical aperture meta-lenses at visible wavelengths,” in <i>Frontiers in Optics 2016</i>, Rochester, NY, United States, 2016. M. Khorasaninejad, W.T. Chen, A. Zhu, J. Oh, C. Roques-Carmes, I. Mishra, R.C. Devlin, F. Capasso, in:, Frontiers in Optics 2016, Optica Publishing Group, 2016. Khorasaninejad, M., et al. “High Numerical Aperture Meta-Lenses at Visible Wavelengths.” <i>Frontiers in Optics 2016</i>, JW4A.63, Optica Publishing Group, 2016, doi:<a href="https://doi.org/10.1364/fio.2016.jw4a.63">10.1364/fio.2016.jw4a.63</a>. Khorasaninejad M, Chen WT, Zhu A, Oh J, Roques-Carmes C, Mishra I, Devlin RC, Capasso F. 2016. High numerical aperture meta-lenses at visible wavelengths. Frontiers in Optics 2016. FiO: Frontiers in Optics, JW4A.63. Khorasaninejad M, Chen WT, Zhu A, et al. High numerical aperture meta-lenses at visible wavelengths. In: <i>Frontiers in Optics 2016</i>. Optica Publishing Group; 2016. doi:<a href="https://doi.org/10.1364/fio.2016.jw4a.63">10.1364/fio.2016.jw4a.63</a> Khorasaninejad, M., Chen, W. T., Zhu, A., Oh, J., Roques-Carmes, C., Mishra, I., … Capasso, F. (2016). High numerical aperture meta-lenses at visible wavelengths. In <i>Frontiers in Optics 2016</i>. Rochester, NY, United States: Optica Publishing Group. <a href="https://doi.org/10.1364/fio.2016.jw4a.63">https://doi.org/10.1364/fio.2016.jw4a.63</a> 216352026-03-30T12:22:48Z2026-05-05T07:04:29Z