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Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 49 / Number 4 / Pages 818-821

Laser Machining for Fabrication of Hohlraums and Capsules

M. D. Shirk, B. T. Kelly, S. M. Haynes, B. C. Stuart, J. J. Sanchez, J. D. Moody, R. C. Cook

Fusion Science and Technology / Volume 49 / Number 4 / Pages 818-821

May 2006

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Laser machining technology has been used to demonstrate the ability to rapidly perform jobs on all aspects of ICF targets. Lasers are able to rapidly perform modifications and repairs to the gold metal parts on hohlraums, make cuts in the delicate polymer parts of the hohlraum, and drill holes in the capsules to enable them to be filled with fuel. Lasers investigated in this work include 193 nm ArF and 248 nm KrF excimers and 810 nm chirped-pulse amplification Ti:Sapphire lasers. The excimer lasers showed a definite advantage in drilling and machining of polymeric materials and the ultrashort infrared pulses of the Ti:Sapphire laser were far better for the gold structures.

 
 
 
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