The Megajoule Laser
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The experimental hall houses all the vacuum equipment and plasma diagnostic equipment surrounding the experimental chamber.
The beams end their journey in the experimental hall, where they are focused on the target located at the center of the experimental chamber.
Located at the center of the experimental hall, the LMJ’s experimental chamber is a 10 m sphere weighing around 140 metric tons. It has a 10 cm aluminum wall that is covered by a 40 cm layer of borated concrete that forms a biological shield to protect staff and equipment during fusion experiments. It has been assembled and precision welded on the construction site of the Megajoule Laser.
LEFT - The LMJ experimental chamber was inserted into the LMJ building placed on its pedestal in the middle of the experimental hall in November 2006. RIGHT - Under vacuum (one billionth of atmospheric pressure), the experimental chamber will house the target and hold many diagnostic instruments, enabling plasma characteristics to be measured during the experiments (light spectra, neutrons, temperatures, densities, etc.). © CEA
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The Megajoule Laser : Introduction, How it works, The laser line, Experimental hall, Target, Laser Integration Line|
The simulation program : Introduction, Tools and schedule, Tera, Epure, The LMJ, Laser Integration Line|
The experimental campaigns : Inertial confinement fusion, The experimental project, Measurements & diagnostics, Open to researchers and industry