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FDTD 101

Using FDTD to Compute a Transmission Spectrum

By Tyler Hughes, Zongfu Yu and Shanhui Fan

In this lecture, we show how to use FDTD to solve a basic EM problem involving the transmission of light though a slab of material.

- How to set up the simulation using periodic boundary conditions and a plane wave source.
- How to use a broadband pulse to compute the normalized transmission over a range of wavelengths.
- How the FDTD results agree with those computed with analytical methods.

Additional information:This was updated in Apr 14, 2022
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