Injection laser

According to the NIF, though single lasers end up as 192 beams, each laser shot inside the National Ignition Facility originates from a single laser oscillator like this. It is used to generate one low-power pulse, which is then split and amplified to approximately a nanojoule. It is then transported via fiber optic cables to a series of 48 pre-amplifier modules. Then, the 48 beams are again split, this time four ways on their way to being injected into the 192 main beamlines.

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