PIRA: 6A42.15


Lab Equipment  Directions
  1.  Optic disk
  2. 2 semicircles (glass, n=1.55; acrylic n=1.49)
  3. two finger clamp
  4. laser pointer (chrome with oval beam)
  5. 1″ piece of thick black hose
  6. small lab stand
  1.  Clamp one of the semicircles in the center of the disk.
  2. Put the hose around the laser pointer and clamp it to the lab stand. Use a rubber band on the pointer to turn it on and off.