Physics Dept. Demonstration Manual

DOP28 - Open Laser

Objective:

To allow an observer to see the lase tube of an operating He-Ne laser.

 
Apparatus:  
  • He-Ne laser with the upper half of the metal enclosure replaced with a lucite enclosure

Note:

The lucite enclosure is not as strong as the original aluminum enclosure. Please handle the modified laser with due care.

 


Method:

The laser can be operated in the normal fashion. The lucite cover allows the instructor to point out the key components for the light production.