Connection between Phase Singularities and the Radiation Pattern of a Slit in a Metal Plate | Zendy

Hugo F. Schouten | Zendy; Taco D. Visser | Zendy; Greg Gbur | Zendy; D. Lenstra | Zendy; H. Blok | Zendy

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Connection between Phase Singularities and the Radiation Pattern of a Slit in a Metal Plate

Author(s) -

Hugo F. Schouten,

Taco D. Visser,

Greg Gbur,

D. Lenstra,

H. Blok

Publication year - 2004

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.93.173901

Subject(s) - singularity , gravitational singularity , physics , slit , optics , phase (matter) , near and far field , maxima and minima , wavelength , radiation , radiation pattern , geometry , quantum mechanics , antenna (radio) , mathematical analysis , mathematics , telecommunications , computer science

We report a new fundamental relation between the minima of the far-zone radiation pattern of a narrow slit in a metal plate and the location of phase singularities in the intermediate field. If a system parameter such as the wavelength is changed, a previously unappreciated singular optics phenomenon occurs: namely, the transition of a near-zone phase singularity into a singularity of the radiation pattern. Our results have significance for the design of novel nanoscale light sources and antennas.

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