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A ruby laser rod. Inset: The view through the rod is crystal clear
A ruby laser rod. Inset: The view through the rod is crystal clear
Maiman's original ruby laser
Maiman's original ruby laser
Components of original ruby laser
Components of original ruby laser
Ruby laser pistol constructed by Stanford Univ. physics professor in 1964 to demonstrate the laser to his classes. The plastic body recycled from a to
Ruby laser pistol constructed by Stanford Univ. physics professor in 1964 to demonstrate the laser to his classes. The plastic body recycled from a toy raygun contained a ruby rod between two flashtubes (right). The pulse of coherent red light was strong enough to pop blue balloons (shown at left) but not red balloons which reflected the light.
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Laser rods (from left to right): Ruby, alexandrite, Er:YAG, Nd:YAG
Laser rods (from left to right): Ruby, alexandrite, Er:YAG, Nd:YAG