Vector diffraction analysis by discrete-dipole approximation

Kei Shimura, Thomas D Milster

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The discrete-dipole approximation is applied to vector diffraction analysis in a system with large-numerical-aperture (NA) optics and subwavelength targets. Distributions of light diffracted by subwavelength dielectric targets are calculated in a solid angle that corresponds to a NA of 0.9, and their dependence on incident polarization, target shape, and target size is studied. Electric field distributions inside the target are also shown. Basic features of the vector diffraction are clearly demonstrated. This technique facilitates understanding of the vectorial effects in systems that are expected to be applied in the future to optical data storage.

Original languageEnglish (US)
Pages (from-to)2895-2900
Number of pages6
JournalJournal of the Optical Society of America A: Optics and Image Science, and Vision
Volume18
Issue number11
StatePublished - 2001

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Information Storage and Retrieval
Diffraction
Light
Optical data storage
Optics
Electric fields
Polarization

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Vision and Pattern Recognition

Cite this

Vector diffraction analysis by discrete-dipole approximation. / Shimura, Kei; Milster, Thomas D.

In: Journal of the Optical Society of America A: Optics and Image Science, and Vision, Vol. 18, No. 11, 2001, p. 2895-2900.

Research output: Contribution to journalArticle

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