pulsed ruby laser![click to hear](/images/speaker.jpg)
Device that produces a thin and very intense colored light beam; its various applications include fiber optics, manufacturing and surgery.
laser beam ![click to hear](/images/speaker.jpg)
Straight and powerful monochrome light beam that is emitted by the device.
cooling cylinder ![click to hear](/images/speaker.jpg)
Casing in which water generally circulates to cool the ruby cylinder, which becomes very hot as it produces the beam.
fully reflecting mirror ![click to hear](/images/speaker.jpg)
Reflects all the light energy toward the partially reflecting mirror. The reflection between the mirrors intensifies the light to form a highly concentrated beam.
reflecting cylinder ![click to hear](/images/speaker.jpg)
Laser’s metal casing whose inside is polished so that it reflects the light toward the ruby cylinder.
flash tube ![click to hear](/images/speaker.jpg)
Lamp that acts as an energy source by emitting a flash of white light, which excites the ruby atoms and causes them to emit photons.
partially reflecting mirror ![click to hear](/images/speaker.jpg)
Its partial transparency allows light beams to escape.
photon ![click to hear](/images/speaker.jpg)
Energy particle that emits the ruby-chromium atoms as they are excited by flashes in the tube.
ruby cylinder ![click to hear](/images/speaker.jpg)
Ruby bar (crystallized alumina) that contains chromium atoms. It has mirrors at each end, which form the amplification medium to produce the laser beam.