Disponible en español
Difraction occurs when a beam of ligth passses through a slit with width
comparable to the wavelength. If you have N slits the difraction
pattern is the superposition of an interference pattern of N sources and
the difraction pattern of a slit. This program simulates the Fraunhofer
difraction for some slits and it is posible to change slit parameters and
The vertical scroll bar changes the incident wavelength in the visible
The distance between the two slits (a) is controlled with the left
horizontal scroll bar.
The width of each slit (b) is handled with the right horizontal scroll
You can choose, from the list, the number of slits (between 1 and 8).
The button Acercar (zoom in) decreases the distance between the
screen and the slits.
The button Alejar (zoom out) increases the distance
between the screen and the slits.
In order to go back to initial distance (predetermined) press the button
At the left hand side appears the a and b values, wich are
proportional to the slit separation and the width of the slit , respectively.