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Optical Engineering

Machining Nonconventional-Shaped Optics
Author(s): J B. Arnold; R. E. Sladky; P. J. Steger; N. D. Woodall; T. T. Saito
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Paper Abstract

Nonconventional-shaped optics are being machined for use in laser optical systems. The fabrication processes incorporate special-quality diamond tools and specially constructed turning machines. The shapes produced include axicons (conical-shaped mirrors), waxicons (a compound axicon with a "W" cross section), torics, and multifacet mirrors. Whereas conventional-shaped optics are readily producible by the lapping process, these nonconventional-shaped optics are very impractical to lap. The axicons and waxicons produced were estimated to have surface straightness as good as 5 pin (125 nm), over 3 inches (76 mm) of length, and angular accuracy as good as 2 arc seconds. A toric mirror was estimated to deviate (peak to valley) from a best-fit radius by 4 pin (100 nm) over 2.25 inches (57 mm) of surface length.

Paper Details

Date Published: 1 August 1977
PDF: 8 pages
Opt. Eng. 16(4) 164347 doi: 10.1117/12.7972052
Published in: Optical Engineering Volume 16, Issue 4
Show Author Affiliations
J B. Arnold, Oak Ridge Y-12 Plant (United States)
R. E. Sladky, Oak Ridge Y-12 Plant (United States)
P. J. Steger, Oak Ridge Y-12 Plant (United States)
N. D. Woodall, Oak Ridge Y-12 Plant (United States)
T. T. Saito, Lawrence Livermore Laboratory (United States)

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