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

Kanghee Lee | Zendy; Jongseok Lim | Zendy; Jaewook Ahn | Zendy

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

Author(s) -

Kanghee Lee,

Jongseok Lim,

Jaewook Ahn

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.018805

Subject(s) - optics , wavelength , slit , diffraction , polarization (electrochemistry) , physics , terahertz radiation , spectroscopy , ptychography , chemistry , quantum mechanics

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.

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