Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Evanescent and propagating electromagnetic fields in scattering from point-dipole structures: comment.

Mufei Xiao1

  • 1Centro de Ciencias de la Materia Condensada, Universidad Nacional Autónoma de México, Baja California. mufei@ccmc.unam.mx

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
|July 4, 2002
PubMed
Summary

This commentary critiques a paper on evanescent fields, demonstrating calculation flaws and disputing subwavelength resolution claims at far-field distances. It aims to clarify the ongoing controversy surrounding dipole evanescent fields.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Theoretical study of the electronic and optical properties of a composite formed by the zeolite NaA and a magnetite cluster.

Beilstein journal of nanotechnology·2025
Same author

High-speed maskless nanolithography with visible light based on photothermal localization.

Scientific reports·2017
Same author

Negative refraction via domain wall resonances in a homogeneous mixture of ferro- and nonmagnetic substances.

Journal of physics. Condensed matter : an Institute of Physics journal·2012
Same author

Laser tunable Toraldo superresolution with a uniform nonlinear pupil filter.

Applied optics·2008

Area of Science:

  • Optics and Photonics
  • Electromagnetism
  • Subwavelength Imaging

Background:

  • Critiques a recent publication by Setälä et al. concerning evanescent fields.
  • Highlights the adoption of previous calculation methods with a modified evanescent-field propagator.
  • Addresses inaccuracies in the description of prior research and the standing controversy.

Purpose of the Study:

  • To demonstrate flaws in the calculation presented by Setälä et al. due to propagator replacement.
  • To refute the claim of subwavelength information retrieval at far-field distances.
  • To provide accurate guidelines for understanding the dipole evanescent field controversy.

Main Methods:

  • Analytical critique of the calculation methodology used by Setälä et al.

Related Experiment Videos

  • Theoretical analysis of evanescent field behavior at far-field distances.
  • Comparison with established principles of electromagnetic theory and prior work.

    • Main Results:

    • The replacement of the evanescent-field propagator invalidates the calculations in the cited paper.
    • Evanescent fields cannot provide subwavelength resolution at far-field distances.
    • The numerical results presented by Setälä et al. are misleading.

    Conclusions:

    • The paper by Setälä et al. contains significant calculation errors and unsubstantiated claims.
    • Clarification is needed regarding the fundamental properties of evanescent fields and their resolution limits.
    • Readers are guided towards a correct understanding of the dipole evanescent field controversy.