---
OA_type: closed access
_id: '21635'
abstract:
- lang: eng
  text: 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.
article_number: JW4A.63
article_processing_charge: No
author:
- first_name: M.
  full_name: Khorasaninejad, M.
  last_name: Khorasaninejad
- first_name: W. T.
  full_name: Chen, W. T.
  last_name: Chen
- first_name: A.
  full_name: Zhu, A.
  last_name: Zhu
- first_name: J.
  full_name: Oh, J.
  last_name: Oh
- first_name: Charles
  full_name: Roques-Carmes, Charles
  id: e2e68fc9-6505-11ef-a541-eb4e72cc3e82
  last_name: Roques-Carmes
- first_name: I.
  full_name: Mishra, I.
  last_name: Mishra
- first_name: R. C.
  full_name: Devlin, R. C.
  last_name: Devlin
- first_name: F.
  full_name: Capasso, F.
  last_name: Capasso
citation:
  ama: '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>'
  apa: '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>'
  chicago: 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>.
  ieee: 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.
  ista: '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.'
  mla: 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>.
  short: 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.
conference:
  end_date: 2016-10-21
  location: Rochester, NY, United States
  name: 'FiO: Frontiers in Optics'
  start_date: 2016-10-17
date_created: 2026-03-30T12:22:48Z
date_published: 2016-10-01T00:00:00Z
date_updated: 2026-05-05T07:04:29Z
day: '01'
doi: 10.1364/fio.2016.jw4a.63
extern: '1'
fulldoi: https://doi.org/10.1364/fio.2016.jw4a.63
language:
- iso: eng
month: '10'
oa_version: None
publication: Frontiers in Optics 2016
publication_identifier:
  eisbn:
  - '9781943580194'
  issnl:
  - 2162-2701
publication_status: published
publisher: Optica Publishing Group
quality_controlled: '1'
scopus_import: '1'
status: public
title: High numerical aperture meta-lenses at visible wavelengths
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2016'
...