Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 51 / Number 4
M. Martin, C. Gauvin, A. Choux, P. Baclet, G. Pascal
Fusion Science and Technology
Volume 51 / Number 4 / May 2007 / Pages 747-752
Format:electronic copy (download)
Smooth solid DT layer inside a plastic spherical shell are needed in order to achieve the ignition on the Laser MegaJoule (LMJ) facility. This paper follows our previous one1 and presents the up to date results concerning the quenching and breathing techniques. New analysis software has been made which allowed us to update the results already obtained for the breathing technique. New experiments done on quenching have leaded to obtain a smooth layer for the higher mode down to 2.3 K below the triple point. The time where the roughness NIF specifications are obtained while the temperature is 1,5 K below the triple point is around 6 seconds using the quenching technique. Roughness analyses are made on one axis view. We also discuss other experimental aspects, such as shadowgraphy and redistribution process.
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