Abstract
Finite-number-of-periods holographic/surface-relief gratings are analyzed using the total-field/scattered-field finite-difference-time-domain (TF/SF-FDTD) method. Second-order and fourth-order TF/SF-FDTD formulations are used with various averaging schemes to treat permittivity/permeability discontinuities. TF/SF-FDTD results are compared with alternative methods.
© 2007 Optical Society of America
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