Fabry Perot Etalon transmission curves

After a long time, I got back to making small interactive plots/visualizations using ipywidgets on ipython. For the time being, nbviewer doesn't seem to be working but you can access the .ipynb file here and the relevant .html file here. Simply put, the Fabry Perot etalon is two mirrors aligned parallel to each other. Their transmission properties depend on the reflectivity of the mirrors and on the phase of the incoming wave. It seemed like an easy enough one to make but I never worked on it, made it in about 15 mins in the evening when I wasn't able to get much else done. Otherwise, I'm catching up on gnuplot tricks and function definitions in fortran.

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