Experimental verification 3D subwavelength resolution beyond the diffraction limit with zone plate in millimeter wave

I. V. Minin, Oleg V. Minin

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The results of experimental investigations of resolution power of millimeter-wave phase reversal binary Fresnel zone plate with short focal distance F≤2λ are described. It has been experimentally shown that in the near-field of single diffractive lens with subwavelength focal distance F≤λ without the immersion medium a resolution of 0.3-0.4 λ were obtained. The "Abbe barrier" can be completely broken by such diffractive lenses with unique three-dimensional super resolution. Also it was experimentally shown the focal spot in the high numerical aperture diffractive lenses is no longer an Airy pattern and focal intensity distribution is not circularly symmetric.

Original languageEnglish
Pages (from-to)2436-2439
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume56
Issue number10
DOIs
Publication statusPublished - 2014
Externally publishedYes

Fingerprint

Millimeter waves
millimeter waves
Lenses
Diffraction
lenses
diffraction
numerical aperture
submerging
near fields

Keywords

  • Abbe barrier
  • diffractive optics
  • millimeter wave
  • resolution
  • subwavelength

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Experimental verification 3D subwavelength resolution beyond the diffraction limit with zone plate in millimeter wave. / Minin, I. V.; Minin, Oleg V.

In: Microwave and Optical Technology Letters, Vol. 56, No. 10, 2014, p. 2436-2439.

Research output: Contribution to journalArticle

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