Diffraction Applet Generates Fresnel diffraction patterns
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Diffraction Applet Tags

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Diffraction Applet Description

Diffraction Applet generates Fresnel diffraction patterns, which are the shadows cast by small apertures when using a plane source of monochromatic light as a light source. When you start up the applet, a circular aperture will be used. This is the pattern generated when a plane source of monochromatic light is shined on a small circular hole (about 5 mm across) in an otherwise opaque object. The red line is the outline of the geometrical shadow (the shadow which would be cast if there were no diffraction). You can select a different aperture shape (such as a half plane, double slit, triple slit, rectangle, etc.) from the Aperture popup. Or you can change the size of the circle by dragging the red line with the mouse. Take Diffraction Applet for a test drive to fully assess its capabilities!

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