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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 16 — Aug. 12, 2013
  • pp: 18805–18811

Young’s experiment with a double slit of sub-wavelength dimensions

Kanghee Lee, Jongseok Lim, and Jaewook Ahn  »View Author Affiliations

Optics Express, Vol. 21, Issue 16, pp. 18805-18811 (2013)

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We report that the interference pattern of Young’s double-slit experiment changes as a function of polarization in the sub-wavelength diffraction regime. Experiments carried out with terahertz time-domain spectroscopy reveal that diffracted waves from sub-wavelength-scale slits exhibit either positive or negative phase shift with respect to Gouy phase depending on the polarization. Theoretical explanation based on the induction of electric current and magnetic dipole in the vicinity of the slits shows an excellent agreement with the experimental results.

© 2013 OSA

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(050.5080) Diffraction and gratings : Phase shift
(300.6495) Spectroscopy : Spectroscopy, teraherz
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

Original Manuscript: June 28, 2013
Revised Manuscript: July 23, 2013
Manuscript Accepted: July 23, 2013
Published: July 31, 2013

Kanghee Lee, Jongseok Lim, and Jaewook Ahn, "Young’s experiment with a double slit of sub-wavelength dimensions," Opt. Express 21, 18805-18811 (2013)

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