IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v2y2011i1d10.1038_ncomms1249.html
   My bibliography  Save this article

Near-field examination of perovskite-based superlenses and superlens-enhanced probe-object coupling

Author

Listed:
  • S.C. Kehr

    (Lawrence Berkeley National Laboratory
    School of Physics and Astronomy, University of St Andrews)

  • Y.M. Liu

    (NSF Nanoscale Science and Engineering Center, University of California)

  • L.W. Martin

    (Lawrence Berkeley National Laboratory
    University of Illinois, Urbana-Champaign)

  • P. Yu

    (University of California)

  • M. Gajek

    (University of California)

  • S.-Y. Yang

    (University of California)

  • C.-H. Yang

    (University of California
    Institute for the NanoCentury, Korea Advanced Institute of Science and Technology (KAIST))

  • M.T. Wenzel

    (Institute of Applied Physics, Technische Universität Dresden)

  • R. Jacob

    (Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf)

  • H.-G. von Ribbeck

    (Institute of Applied Physics, Technische Universität Dresden)

  • M. Helm

    (Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf)

  • X. Zhang

    (Lawrence Berkeley National Laboratory
    NSF Nanoscale Science and Engineering Center, University of California)

  • L.M. Eng

    (Institute of Applied Physics, Technische Universität Dresden)

  • R. Ramesh

    (Lawrence Berkeley National Laboratory
    University of California)

Abstract

A planar slab of negative-index material works as a superlens with sub-diffraction-limited resolution, as propagating waves are focused and, moreover, evanescent waves are reconstructed in the image plane. Here we demonstrate a superlens for electric evanescent fields with low losses using perovskites in the mid-infrared regime. The combination of near-field microscopy with a tunable free-electron laser allows us to address precisely the polariton modes, which are critical for super-resolution imaging. We spectrally study the lateral and vertical distributions of evanescent waves around the image plane of such a lens, and achieve imaging resolution of λ/14 at the superlensing wavelength. Interestingly, at certain distances between the probe and sample surface, we observe a maximum of these evanescent fields. Comparisons with numerical simulations indicate that this maximum originates from an enhanced coupling between probe and object, which might be applicable for multifunctional circuits, infrared spectroscopy and thermal sensors.

Suggested Citation

  • S.C. Kehr & Y.M. Liu & L.W. Martin & P. Yu & M. Gajek & S.-Y. Yang & C.-H. Yang & M.T. Wenzel & R. Jacob & H.-G. von Ribbeck & M. Helm & X. Zhang & L.M. Eng & R. Ramesh, 2011. "Near-field examination of perovskite-based superlenses and superlens-enhanced probe-object coupling," Nature Communications, Nature, vol. 2(1), pages 1-9, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1249
    DOI: 10.1038/ncomms1249
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/ncomms1249
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/ncomms1249?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1249. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.