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the math of bokeh

If you don’t know (yet) what bokeh is, check out the Wikipedia article. In short, bokeh is the blur (or quality thereof) of out-of-focus regions in a photograph. This post is not about the perceived...

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Bokeh calculator (interactive)

If you don’t want to do all the math in the the math of bokeh post yourself, you can just enter your data into this here little applet and get your results much quicker.   DIV#lensGraphic { width:...

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FM and PM Modulation Spectrum (interactive)

This little widget will calculate the spectrum for various modulation signals with arbitrary frequency and amplitude and explain why it looks the way it does. It was written with optical interferometry...

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the Fabry-Pérot resonator

Calculate the transmitted or reflected intensity and phase for a Fabry-Pérot cavity. Both reflectivities and resonator losses are accounted for. DIV.flotPlot { width: 500px; height: 300px; }...

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