3D simulations of electrically large thin plates using the hybrid PSTD-FDTD algorithm†

Many optical and electromagnetic applications involve large thin plates, which include planar waveguides, diffractive optical elements, photo masks, filters, and so forth. Typically, those structures have a relatively small thickness and a very large surface. Three-dimensional (3D) simulation of those thin plates using FDTD, which requires a large sampling rate, is sometimes unpractical due to the memory requirement. In this paper, we investigate 3D simulations of electrically large thin plates using the hybrid PSTD-FDTD method. As an example, we study the near-field scattering of a photo mask and compare the hybrid method with the FDTD method. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 45: 502–507, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20864

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