Laser Light Show term is using lasers and a projection system that is used in a laser projector. Creative Laser Media & Design is North America's largest manufacture of laser light show equipment.
Laser light shows were announced in the late 60's in the disco scene and Pink Floyd Band really pushed the era of laser shows and set a trend for lasers for entertainment throughout the world and now very popular today.
Lasers can be a gas filled ion laser. Ion lasers can use Argon gas, Krypton Gas, Co2,Copper Vapor and more.
Some lasers are not visible and some are. This all depends on the color wavelength that are eyes see.
Wavelengths that are visible have the following :
In bulding an RGB laser show laser projector. It is necessary to use a blue, red and green laser to combine all beams to achieve a white be full full color capabilities.
For more information on laser light show information, you may want to visit laser light show.