Various evaluations of a diffractive transmitted field of light through a one-dimensional metallic grating with subwavelength slits

• Autorzy: Bin Hu , Ben-Yuan Gu , Bi-Zhen Dong , Yan Zhang , Ming Liu
• Języki publikacji: EN

Abstrakty

EN

We compare the Fresnel-Kirchhoff diffraction formula, the superposition of cylindrical waves, and the twodimensional (2D) Green’s function diffraction formula with a rigorous vector algorithm in calculating the near and intermediately transmitted field of light through a one-dimensional metallic grating with subwavelength slits. It is found that the results calculated by the 2D Green’s function diffraction formula coincide well with the precise result. The other evaluations deviate from the exact result by varying proportions. Our findings may provide a useful and precise way to analyze the transmitted field features of a metallic grating and subsequent possibility of achieving optimal designs for metallic optical elements with subwavelength scale.

Słowa kluczowe

EN

evaluations of transmitted light; metallic grating; subwavelength slits; surface plasmon polaritons

• Czasopismo: Open Physics
• Rocznik: 2010
• Tom: 8
• Numer: 3
• Strony: 448-454

Daty

wydano

2010-06-01

online

2010-04-24

Twórcy

autor

Bin Hu

• Institute of Microelectronics, Chinese Academy of Sciences, Beijing, 100029, China

autor

Ben-Yuan Gu

• Institute of Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing, 100190, China,

autor

Bi-Zhen Dong

• Institute of Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing, 100190, China

autor

Yan Zhang

• Department of Physics, Capital Normal University, Beijing, 100037, China

autor

Ming Liu

• Institute of Microelectronics, Chinese Academy of Sciences, Beijing, 100029, China

Bibliografia

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Identyfikatory

DOI

10.2478/s11534-009-0125-6