Lumerical FDTD Note for Optical Simulation
Here talking about how to do Optical Diffraction Simulation by Lumerical FDTD software. Here Only write some text, maybe I will prepare more detail to clearly explain in future.
What’s FDTD?
FDTD is a simulator within Lumerical’s DEVICE Multiphysics Simulation Suite, the world’s first multiphysics suite purpose-built for photonics designers. The DEVICE Suite enables designers to accurately model components where the complex interaction of optical, electronic, and thermal phenomena is critical to performance.
1. Open FDTD
- Initial project is 3D project
2. Add Simulation Region
- Background index
- Geometry
- Mesh settings
- Boundary conditions
- z direction use PML
- x, y direction use Periodic
if want to simulate tilt angle light sourse (like SA)
we must use Bloch
3. Add Structure
- Geometry
- Material index
- Rotations
4. Add Source
- General
- Plane wave
-
angle, direction
-
Geometry
- Wavelength
5. Add Monitor
- Refractive index
- Movie
- Refractive index
6. loop
- sweep
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