The Laser Level as an Optics Laboratory Tool
For decades now, the laser has been used as a handy device for performing ray traces in geometrical optics demonstrations and laboratories. 1 , 2 For many ray- trace applications, I have found the laser level 3 to be even more visually compelling and easy for student use than the laser pointer.
American Association of Physics Teachers
Kutzner, Mickey, "The Laser Level as an Optics Laboratory Tool" (2013). Faculty Publications. 97.