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How it works

The Megajoule Laser (LMJ) is a giant experimental tool that simultaneously uses many optical components (mirrors, lenses, networks, etc.) to amplify and carry light energy and focus it on a millimeter-sized target.

From laser amplification to experiments in the chamber. CEA

From laser amplification to experiments in the chamber © CEA

The extreme temperature and pressure conditions generated at the center of the target will be similar to those encountered during the operation of nuclear weapons.
Various experiments will be conducted to partially validate the codes used to simulate the phases of operation of nuclear weapons.

Among the dozen types of experiments that will be carried out in the LMJ, the best known is one that will induce the thermonuclear fusion of a very low mass (a few micrograms) of hydrogen isotopes (deuterium and tritium) inside the target.

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MàJ: 08/09/2014
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