Effectiveness of resistive boundary conditions for plane gratings

Wakabayashi, Hitoshi; Yamakita, Jiro; Matsumoto, Keiji; Asai, Mitsuteru

doi:10.1002/(sici)1520-6432(199712)80:12<7::aid-ecjb2>3.0.co;2-2

Cited by 1 publication

(2 citation statements)

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“…In previous works [ Wakabayashi et al , 1997, 1999], thin metallic gratings in which thickness is a function of position were analyzed by defining metallic gratings as lossy dielectric gratings with large complex permittivity and thickness. The two‐dimensional scattering problem of metallic gratings has been considered using a combination of the Fourier series expansion method and the multilayered step method.…”

Section: Introductionmentioning

confidence: 99%

“…The derivation involves the use of spatial harmonic expansion of the flux densities D z and B z instead of the electromagnetic fields E z and H z normal to the surface profile of the approximated stratified grating, as the flux densities are continuous. To investigate the effectiveness of our method, the solutions are compared to those of the conventional method [ Wakabayashi et al , 1997, 1999].…”

Section: Introductionmentioning

confidence: 99%

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Improved convergence in the analysis of thin metallic gratings with thickness profiles

et al. 2003

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.[1] A combination of the Fourier series expansion method and the multilayered step method is applied to analysis of the scattering problem by a thin metallic grating with a thickness profile. The extremely large permittivity profiles of metallic gratings may affect accuracy of calculations adversely. The convergence of the Fourier expansion method is improved using the spatial harmonics of flux densities instead of electromagnetic fields normal to the surface of a metallic grating. In using the multilayered step method, the scheme used to partition the grating region and the distribution function of dielectric constant within each layer are examined.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%