Method of Image Green's Function in Grating Theory: Reflection Extinction Theorem
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概要
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In the theory of diffraction gratings, the conventional integral method is considered as a powerful tool of numerical analysis. But it fails to work at a critical angle of incidence, because a periodic Green's function (integral kernel) diverges. This problem was resolved by the image integral equation in a previous paper. Newly introducing the reflection extinction theorem, this paper derives the image extinction theorem and the image integral equation. Then, it is concluded that the image integral equation is made up of two physical processes: the image surface radiates a reflected plane wave, whereas the periodic surface radiates the diffracted wave.
著者
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Tamura Yasuhiko
Graduate School Of Engineering And Design Kyoto Inst. Of Technol.
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NAKAYAMA Junichi
Professor Emeritus of Kyoto Institute of Technology
関連論文
- Shadow Theory of Diffraction Grating: A Numerical Example for TE Wave
- Low Grazing Scattering from a Surface with a Finite Periodic Array of Rectangular Grooves
- Scattering of TM Plane Wave from Periodic Grating with Single Defect
- Low Grazing Scattering from Periodic Neumann Surface with Finite Extent
- Diffraction Amplitudes from Periodic Neumann Surface : Low Grazing Limit of Incidence (III)(Electromagnetic Theory)
- Scattering of a TM wave from a periodic surface with finite extent:Undersampling approximation
- TE Plane Wave Reflection and Transmission from a Two-Dimensional Random Slab
- Low Grazing Scattering from Sinusoidal Neumann Surface with Finite Extent : Total Scattering Cross Section
- Low Grazing Scattering from Sinusoidal Neumann Surface with Finite Extent : Undersampling Approximation
- Scattering of a TM plane wave from a periodic surface with finite extent: Perturbation solution