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Fundamental ADI-FDTD method for multiple-pole Debye dispersive media

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2 Author(s)
Ding Yu Heh ; School of Electrical and Electronic Engineering, Nanyang Technological University, 50, Singapore 639798 ; Eng Leong Tan

This paper presents the application of unconditionally stable fundamental alternating-direction-implicit finite-difference time-domain (FADI-FDTD) method for multiple-pole Debye dispersive media. The interaction of terahertz pulse with human skin, in particular, healthy skin and basal cell carcinoma (BCC) is shown. The healthy skin and BCC are modeled as Debye dispersive media and the model is incorporated into the FADI-FDTD method. Numerical experiments on delineating the BCC margin from healthy skin are demonstrated using the FADI-FDTD method based on reflected terahertz pulse.

Published in:

Antennas and Propagation (APCAP), 2012 IEEE Asia-Pacific Conference on

Date of Conference:

27-29 Aug. 2012