Installation Alignment Of A Multi-Beam Icf Target Illumination System

Walter Bauke; David B. Stahl

doi:10.1117/12.976114

20 November 1985 Installation Alignment Of A Multi-Beam ICF Target Illumination System

Walter Bauke, David B. Stahl

Proceedings Volume 0540, Southwest Conf on Optics '85; (1985) https://doi.org/10.1117/12.976114
Event: 1985 Albuquerque Conferences on Optics, 1985, Albuquerque, United States

Abstract

Target illumination systems for inertial confinement fusion (ICF) experiments require precise alignment of a multitude of mirrors, usually spherically arranged around the ICF target. The mechanical support structure for these mirrors generally consists of a large space frame with many voids. This makes direct alignment or boresighting impossible, since alignment instruments and references cannot be placed at the coordinate centers representing the mirror arrays or focal points. Nevertheless, the structural members must be accurately aligned during the assembly phase, to provide the focusing precision required by the completed illumination system. This paper describes the techniques used to assemble and align the Antares Laser space frame, where a total of 48 mirrors fold and focus 24 laser beams onto the ICF target, with in a 7.3 meter space frame. The alignment procedures described use optical tooling and test techniques supplemented by surveying instruments and auxiliary devices, as required by the unique geometry of the space frame.

Citation Download Citation

Walter Bauke and David B. Stahl "Installation Alignment Of A Multi-Beam ICF Target Illumination System", Proc. SPIE 0540, Southwest Conf on Optics '85, (20 November 1985); https://doi.org/10.1117/12.976114

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