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Conferences > CLEO > 1992 > CThI > CThI5
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper CThI5

Characterization and improvement of the beam targeting accuracy of Nova

M. C. Rushford, J. E. Murray, R. J. Ellis, K. E. Moore, R. L. Saunders, L. G. Seppala, C. S. Vann, T. L. Weiland, and H. T. Powell

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Abstract

One of the goals of the Precision Nova project is to improve targeting accuracy, the difference between the aimed-for and actual shot positions of the beams on target, to <30 µm (or 10 µrad) rms. This goal comes from the estimated uniformity of pellet irradiation required to reach drive conditions with Nova similar to those of the proposed Nova Upgrade. Early pointing tests showed an overall pointing accuracy of about four times this goal. The shot positions were clustered in well defined groups, characterized by a scatter within the groups of 40 µm rms and offsets of individual groups from the aim points as large as 200 µm.

© 1992 Optical Society of America

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