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A new implementation of CFS‐PML for ADI‐FDTD method

A new implementation of “complex frequency‐shifted (CFS)” perfectly matched layer (PML) is introduced for the alternating direction implicit finite‐difference time‐domain method. Because of the use of auxiliary differential equation (ADE), this new implementation is more straightforward and memory saving. Numerical results show that the absorption of CFS‐PML using ADE as well as that of CFS‐PML using convolution integration formulation is suggested earlier. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1924–1928, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21816