Introduction to the Segmented Finite-Difference Time-Domain Method
✍ Scribed by Yan Wu; Wassell, I.
- Book ID
- 114652827
- Publisher
- IEEE
- Year
- 2009
- Tongue
- English
- Weight
- 743 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0018-9464
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## Abstract A new, unconditionally stable, implicit nonstaggered finite‐difference time‐domain (INS‐FDTD) method is introduced. This method is more efficient than the (unconditionally stable) finite‐element time‐domain (FETD) method with brick elements because the number of nonzero elements in the
## Abstract A wide‐band finite‐difference–time‐domain beam propagation method (FD TD‐BPM) based on Padé approximants is introduced to improve the bandwidth of the conventional TD‐BPM. Numerical dispersion relations for the TD‐BPM are derived to demonstrate the increase in bandwidth of the wide‐band