Fresnel diffraction from a single slit: change of position of observation screen.

The wavelength and slit width are held constant and the position of the observation screen is varied. The initial and final Fresnel numbers are 1.00 and 3.00, respectively.

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Fresnel diffraction from a single slit: change of the slit width.

The wavelength and position of the observation screen are held constant and the width of the slit is varied. The initial and final Fresnel numbers are 2.00 and 5.00, respectively.

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Fresnel diffraction from a single slit: change of the wavelength.

The slit width and position of the observation screen are held constant and the wavelength is varied. The initial and final Fresnel numbers are 3.00 and 2.08, respectively.

Click here to see the 320x200 version.