OSA's Digital Library

Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 12 — Jun. 15, 2009
  • pp: 1867–1869

Focusing subwavelength light by using nanoholes in a transparent thin film

Pei-Kuen Wei, Wei-Lun Chang, Kunag-Li Lee, and En-Hong Lin  »View Author Affiliations

Optics Letters, Vol. 34, Issue 12, pp. 1867-1869 (2009)

View Full Text Article

Enhanced HTML    Acrobat PDF (313 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



A circle of planar nanoholes in a dielectric thin film can focus light into a sub-half-wavelength spot. The nanostructure with higher rotational symmetry shows better focusing properties. From finite-difference time-domain calculations, we verified such a focusing spot coming from the constructive interference of diffraction beams near the nanoholes. For a 1 μ m size lens with eight 200 nm diameter holes, we achieved an optical spot smaller than 250 nm measured at 650 nm wavelength. This nanostructure provides a simple way to massively fabricate a planar lens array with a scale down to the submicrometer level.

© 2009 Optical Society of America

OCIS Codes
(050.1965) Diffraction and gratings : Diffractive lenses
(180.4243) Microscopy : Near-field microscopy
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

Original Manuscript: February 6, 2009
Revised Manuscript: April 24, 2009
Manuscript Accepted: May 8, 2009
Published: June 11, 2009

Pei-Kuen Wei, Wei-Lun Chang, Kunag-Li Lee, and En-Hong Lin, "Focusing subwavelength light by using nanoholes in a transparent thin film," Opt. Lett. 34, 1867-1869 (2009)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. S. Biehl, R. Danzebrink, P. Oliveira, and M. A. Aegerter, J. Sol-Gel Sci. Technol. 13, 177 (1998). [CrossRef]
  2. M. H. Wu, C. Park, and G. M. Whitesides, Langmuir 18, 9312 (2002). [CrossRef]
  3. E. Bonaccurso, H.-J. Butt, B. Hankeln, B. Niesenhaus, and K. Graf, Appl. Phys. Lett. 86, 1 (2005). [CrossRef]
  4. H. Yabu and M. Shimomura, Langmuir 21, 1709 (2005). [CrossRef] [PubMed]
  5. Z. W. Liu, J. M. Steele, W. Srituravanich, Y. Pikus, C. Sun, and X. Zhang, Nano Lett. 5, 1726 (2005). [CrossRef] [PubMed]
  6. H. J. Lezec, A. Degiron, E. Devaux, R. A. Linke, L. Martín-Moreno, F. J. García-Vidal, and T. W. Ebbesen, Science 297, 820 (2002). [CrossRef] [PubMed]
  7. P. K. Wei, H. L. Chou, and Y. C. Chen, Opt. Lett. 29, 433 (2004). [CrossRef] [PubMed]
  8. W. L. Chang, Y. J. Chang, P. H. Tsao, and P. K. Wei, Appl. Phys. Lett. 88, 101109 (2006). [CrossRef]
  9. P. K. Wei, H. L. Chou, and W. L. Chang, J. Opt. Soc. Am. B 20, 1503 (2003). [CrossRef]
  10. S. Y. Chou, P. R. Krauss, and P. J. Renstrom, Science 272, 85 (1996). [CrossRef]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


Fig. 1 Fig. 2 Fig. 3
Fig. 4

Supplementary Material

» Media 1: MOV (415 KB)     

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited