4 pi laser

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Physicist Frank Rainer (inset), who was involved in laser research and development at LLNL since 1966, holds the target chamber seen at the center of the larger picture.

The 4 pi laser system was a very early inertial confinement fusion related experiment done at Lawrence Livermore National Laboratory in the mid-1960s. It had 12 ruby laser beams arranged around a gas-filled target chamber about 20 centimeters in diameter.

See also

• Laser
• Lawrence Livermore National Laboratory
• List of laser types