J14.03.04-Y1 Laser Optical Demonstrator
The laser optical demonstration instrument is a kind of modern educational instrument. It takes He-Ne laser as its light source. After passing through a cylindrical lens, the light beam diverges into sector shape and shows its track on the screen. Many kinds of geometric-optics and physical-optics experiments can be accomplished by this instrument with clear images and vivid intuitive effects and do not demand darkroom facilities.
