Abstract

A simplified algorithm for frequency-dependent calculations of a multipole Debye model is developed on the basis of the locally 1-D finite-difference time-domain method (LOD-FDTD) with a fundamental scheme. For absorbing outgoing waves, the convolutional perfectly matched layer is incorporated into the frequency-dependent algorithm. High efficiency of the developed algorithm is demonstrated through the analysis of THz wave radiation to a healthy skin and a basal cell carcinoma. The computation time is reduced in comparison with the traditional explicit FDTD while maintaining the comparable numerical accuracy.

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