Machining Nonconventional-Shaped Optics

J B. Arnold; R. E. Sladky; P. J. Steger; N. D. Woodall; T. T. Saito

doi:10.1117/12.7972052

1 August 1977 Machining Nonconventional-Shaped Optics

J B. Arnold, R. E. Sladky, P. J. Steger, N. D. Woodall, T. T. Saito

Author Affiliations +

Optical Engineering, Vol. 16, Issue 4, 164347 (August 1977). https://doi.org/10.1117/12.7972052

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.

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J B. Arnold, R. E. Sladky, P. J. Steger, N. D. Woodall, and T. T. Saito "Machining Nonconventional-Shaped Optics," Optical Engineering 16(4), 164347 (1 August 1977). https://doi.org/10.1117/12.7972052

Published: 1 August 1977

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