Enhanced transmission and directivity from metallic subwavelength apertures with nonuniform and nonperiodic grooves

Zhaofeng Li; Humeyra Caglayan; Evrim Colak; Ekmel Ozbay

doi:10.1063/1.2829799

Enhanced transmission and directivity from metallic subwavelength apertures with nonuniform and nonperiodic grooves

Zhaofeng Li, Humeyra Caglayan, Evrim Colak, Ekmel Ozbay

Tutkimustuotos: Artikkeli › Tieteellinen › vertaisarvioitu

20 Sitaatiot (Scopus)

Abstrakti

Nonuniform and nonperiodic grooves are used to enhance the transmission and directivity of emissions from a single metallic subwavelength aperture. By using nonuniform and nonperiodic grooves, the amplitude and phase of the diffracted power flow from each groove can be adjusted properly. As a result, the transmission and emission directivity can be further improved when compared to apertures with uniform and periodic grooves. Our experimental results are in good agreement with the finite difference time domain simulation results.

Alkuperäiskieli	Englanti
Artikkeli	011128
Julkaisu	Applied Physics Letters
Vuosikerta	92
Numero	1
DOI - pysyväislinkit	https://doi.org/10.1063/1.2829799
Tila	Julkaistu - 2008
Julkaistu ulkoisesti	Kyllä
OKM-julkaisutyyppi	A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

!!ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2829799

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abstract = "Nonuniform and nonperiodic grooves are used to enhance the transmission and directivity of emissions from a single metallic subwavelength aperture. By using nonuniform and nonperiodic grooves, the amplitude and phase of the diffracted power flow from each groove can be adjusted properly. As a result, the transmission and emission directivity can be further improved when compared to apertures with uniform and periodic grooves. Our experimental results are in good agreement with the finite difference time domain simulation results.",

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T1 - Enhanced transmission and directivity from metallic subwavelength apertures with nonuniform and nonperiodic grooves

AU - Li, Zhaofeng

AU - Caglayan, Humeyra

AU - Colak, Evrim

AU - Ozbay, Ekmel

N1 - EXT="Caglayan, Humeyra"

PY - 2008

Y1 - 2008

N2 - Nonuniform and nonperiodic grooves are used to enhance the transmission and directivity of emissions from a single metallic subwavelength aperture. By using nonuniform and nonperiodic grooves, the amplitude and phase of the diffracted power flow from each groove can be adjusted properly. As a result, the transmission and emission directivity can be further improved when compared to apertures with uniform and periodic grooves. Our experimental results are in good agreement with the finite difference time domain simulation results.

AB - Nonuniform and nonperiodic grooves are used to enhance the transmission and directivity of emissions from a single metallic subwavelength aperture. By using nonuniform and nonperiodic grooves, the amplitude and phase of the diffracted power flow from each groove can be adjusted properly. As a result, the transmission and emission directivity can be further improved when compared to apertures with uniform and periodic grooves. Our experimental results are in good agreement with the finite difference time domain simulation results.

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U2 - 10.1063/1.2829799

DO - 10.1063/1.2829799

M3 - Article

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JO - Applied Physics Letters

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Enhanced transmission and directivity from metallic subwavelength apertures with nonuniform and nonperiodic grooves

Abstrakti

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