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Split-field FDTD method for oblique incidence study of periodic dispersive metallic structures
- Source :
- Optics Letters, Optics Letters, Optical Society of America-OSA Publishing, 2009, 34 (16), pp.2453-2455. ⟨10.1364/OL.34.002453⟩
- Publication Year :
- 2009
-
Abstract
- International audience; The study of periodic structures illuminated by a normally incident plane wave is a simple task that can be numerically simulated by the finite-difference time-domain (FDTD) method. On the contrary, for off-normal incidence, a widely modified algorithm must be developed in order to bypass the frequency dependence appearing in the periodic boundary conditions. After recently implementing this FDTD algorithm for pure dielectric materials, we here extend it to the study of metallic structures where dispersion can be described by analytical models. The accuracy of our code is demonstrated through comparisons with already-published results in the case of 1D and 3D structures.
- Subjects :
- Physics
Field (physics)
business.industry
Plane wave
Finite-difference time-domain method
Physics::Optics
020206 networking & telecommunications
02 engineering and technology
Dielectric
01 natural sciences
Atomic and Molecular Physics, and Optics
010309 optics
symbols.namesake
Optics
Fourier transform
0103 physical sciences
0202 electrical engineering, electronic engineering, information engineering
symbols
[SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic
Periodic boundary conditions
business
Dispersion (water waves)
Photonic crystal
Subjects
Details
- ISSN :
- 15394794 and 01469592
- Volume :
- 34
- Issue :
- 16
- Database :
- OpenAIRE
- Journal :
- Optics letters
- Accession number :
- edsair.doi.dedup.....4e2a695265ea7a08f4c2a19ca4dc247c