Happy Birthday Laser!
Optics & Photonics Focus
Volume 9 Story 3 - 16/5/2010

The first ruby laser

Sketch of the first ruby laser. The ruby crystal is surrounded by a serpentine flashlamp, which produces the population inversion necessary for the amplification of laser light.
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The first ruby laser. Sketch of the first ruby laser. The ruby crystal is surrounded by a serpentine flashlamp, which produces the population inversion necessary for the amplification of laser light.