A finite-difference time-domain method for solving electromagnetic problems with bandpass-limited sources
Copyright policy )A finite-difference time-domain method for solving electromagnetic problems with bandpass-limited sources
The complex-envelope representation of bandpass-limited signals is used to formulate a bandpass-limited vector wave equation and a new finite-difference time-domain (FDTD) scheme that solves the bandpass-limited vector wave equation is presented. For narrow-band electromagnetic systems, this new method allows the time step to be several orders of magnitude larger than current FDTD formulations while maintaining an amplification factor equal to one. Example results obtained by this method are presented and compared with analytic solutions.
- Mississippi Institutions of Higher Learning United States
- Riverside Research Institute United States
- University of Mississippi United States
Electromagnetic theory (general), Finite difference methods applied to problems in optics and electromagnetic theory
Electromagnetic theory (general), Finite difference methods applied to problems in optics and electromagnetic theory
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