M5-11. Laser Diffraction - Pin Point

Purpose

Diffraction of laser beam by a pin point.

Equipment

Laser cart with mounted pin point slide.

Images

Description

Pin point is mounted on double cross carriage for alignment with the center of the laser beam. Pattern is clearer using a cylindrical lens to focus onto screen.

References

Gordon R. Gore, Diffraction Photographs with a Laser Pointer, TPT 32, 174-175 (1994).