PIRA 6D10.10 Interference From Two Sources: Double Slits and Lasers

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Photo of University of Texas at Austin's Demonstration

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Instructions / Notes:

• Turn on the laser. The pattern appears on the wall.
  
• The slit widths and spacings are printed on the slide and can be viewed using a flashlight.
  
• To select different slits, move the slide stage sideways by cranking counter clockwise on the adjusting wheel.
  
• Please, turn off laser when not in use.
  

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Drawing is by Courtesy of the University of Minnesota

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Last Updated 3/99 - University of Texas at Austin Physics Dept. - All Rights Reserved.