Ding Yu Heh

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This paper presents the modeling of hemoglobin at optical frequency (250 nm - 1000 nm) using the unconditionally stable fundamental alternating-direction-implicit finite-difference time-domain (FADI-FDTD) method. An accurate model based on complex conjugate pole-residue pairs is proposed to model the complex permittivity of hemoglobin at optical frequency.(More)
This paper presents the application of unconditionally stable fundamental finite-difference time-domain (FADI-FDTD) method in modeling the interaction of terahertz pulse with healthy skin and basal cell carcinoma (BCC). The healthy skin and BCC are modeled as Debye dispersive media and the model is incorporated into the FADIFDTD method. Numerical(More)
This paper presents the demonstration of electromagnetic (EM) polarization app on iPad. The app provides an interactive visualization to help students better understand EM polarization concepts. Electric field expressions comprising two orthogonal components are provided in both time domain form and phasor form. The parameters such as magnitude and phase of(More)
(2014). Fundamental locally one-dimensional method for 3-D thermal simulation. IEICE transactions on electronics, E97.C(7), 636-644. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for(More)
This paper presents the variants of second-order temporal-accurate 3-D fundamental locally one-dimensional finite-difference time-domain (FLOD-FDTD) schemes with three split matrices. Four updating procedures along with input and output processings are given for all the proposed FLOD-FDTD schemes. By choosing the proper scheme, the output processing may be(More)
Finite-difference time-domain (FDTD) method is one of the most popular computational methods for solving electromagnetic problems. The common platforms for FDTD simulations all this while are usually the computers or workstations. Exploiting the increasing computational capacity of smart hand-held mobile devices, multiple one-dimensional (M1-D) FDTD method(More)
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