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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1995),
  • paper CTuK3

UV-laser ablative figuring of precise optics

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Abstract

In laser fusion, a number of large-diameter (up to 1 m) precise optics, such as beam-turning mirrors, focusing lenses, and windows, are used in the laser-driver system. The costs and performances of these optical components are unsatisfactory because of limitation of fabricating tools and the cost of labor. These disadvantages come from conventional fabrication technology such as rotary polishing. One of the difficulties occurs in wave-front measurement for the surface-figure correction in the conventional scheme because the wavefront can not be measured in situ. Furthermore, precise phase control of laser optics is important for beam-irradiation-uniformity control, and it is mandatory for the aspherical multilens array (AMLA),1 Kinoform phase plate (KPP),2 and other beam-smoothing optics.

© 1995 Optical Society of America

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