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Recent developments in QCRF-FDTD modeling of complex dispersive media
- Authors
- Ha, Sang-Gyu; Jung, Kyung-Young
- Issue Date
- Nov-2014
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- dispersion; FDTD
- Citation
- IEEE iWEM 2014 - IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, pp.267 - 268
- Indexed
- SCOPUS
- Journal Title
- IEEE iWEM 2014 - IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition
- Start Page
- 267
- End Page
- 268
- ISSN
- 0000-0000
- Abstract
- We discuss recent developments in a finite-difference time domain (FDTD) algorithm for electromagnetic wave interaction with complex dispersive media, based on a quadratic complex rational function (QCRF). The QCRF is simple and accurate to consider frequency dispersive responses. Compared to the Debye, Drude, or Lorentz dispersion equation, the QCRF equation has more degrees of freedom and it is straightforward to implement update equations for QCRF-FDTD. We also discuss efficient memory storage of QCRF-FDTD by using a state-space approach.
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Related Researcher
- Jung, Kyung Young
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)