The design, de¨elopment, and testing of a low-cost L-band hybrid-coupled 90Њ phase shifter are presented. The de¨eloped phase shifter uses a compact branch line coupler to minimize its size, and employs low-cost UHF band p-i-n switching diodes to minimize its production cost. The diodes in a stand-a
A PML–FDTD formulation for the simulation of optical structures
✍ Scribed by M. A. AlSunaidi; W. ElSallal
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 122 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0895-2477
No coin nor oath required. For personal study only.
✦ Synopsis
A formulation of the PML technique suitable for the FDTD simulation of optical structures is presented. The FDTD formulation is based on the scalar-wa¨e equation. The resulting algorithm is stable, efficient, and effecti¨e. Numerical results show that the technique pro¨ides an excellent le¨el of absorption with a reasonable amount of
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