Still pictures from the Interference TOP module
(Fabry-Perot Etalon)


Note: Click on the thumbnails to see the full-sized images.

In the following images, light from a monochromatic point source, of wavelength 450 nm, is incident upon a slab of material whose index of refraction is 1.50, and thickness is 0.500 cm. Only a finite cone of rays from the source is allowed to strike the slab. Both sides of the slab are coated and have the same reflectivity 'R'.





R = 0


R = 15.0%


R = 30%


R = 45.0%


R = 60%


R = 75.0%





Created by Srihari Angaluri and Kiril Vidimce
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