Physics – Optics
Scientific paper
Jan 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979spie..190..191d&link_type=abstract
In: Los Alamos Conference on Optics, University of California, Los Alamos, N. Mex., May 23-25, 1979, Proceedings. (A80-38476 15-
Physics
Optics
High Power Lasers, Laser Fusion, Laser Targets, Positioning, Vacuum Chambers, Collimators, Deuterium Plasma, Energy Technology, Infrared Telescopes, Self Alignment
Scientific paper
The Los Alamos Scientific Laboratory Helios laser fusion system focuses eight powerful CO2 laser beams onto a tiny (typical 300-micron-diam) DT-filled target. The focusing is accomplished inside a vacuum chamber that is 3.5 m in diameter by 3.5 m high. The target positioning system places the target to within 5.0 microns of a predetermined point in space. This is accomplished by using two orthogonal autocollimating telescopes to determine the center of a precisely located surrogate sphere. The target is then placed at the common focal point of the two telescopes. The Helios target positioning system has been meeting or exceeding its design requirements for about one year with minimal maintenance. It has proven to be a very effective system.
Cummings C. E.
Day R. D.
Hanlon J. A.
Teasdale R. W.
Tucker H. E.
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