Fabry-Perot Filters

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This type of filter transmits a narrow band of wavelengths and rejects wavelengths outside of that band. An interesting feature of this type of filter is its ability to "select" a different peak wavelength as the filter is tilted. The movie shown below illustrates how a wavelength from 500 to 550 nm can be selected as the filter is tilted from 60 to 0 degrees.

QuickTime movie (32K)

This movie was created from 25 TFCalc plots. In TFCalc 3.5, the Windows version of TFCalc acquired the capability of creating animations. There are a number of animations on this website.
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