Use of the ‘Precessions’™ process for prepolishing and correcting 2D & 2½D form

doi:10.1364/OE.14.011787

Optics Express

Editor: Michael Duncan
Vol. 14, Iss. 24 — Nov. 27, 2006
pp: 11787–11795

Use of the ‘Precessions’™ process for prepolishing and correcting 2D & 2½D form

David D. Walker, Richard Freeman, Roger Morton, Gerry McCavana, and Anthony Beaucamp »View Author Affiliations

Optics Express, Vol. 14, Issue 24, pp. 11787-11795 (2006)
http://dx.doi.org/10.1364/OE.14.011787

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Abstract
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Abstract

The Precessions™ process polishes complex surfaces from the ground state preserving the ground-in form, and subsequently rectifies measured form errors. Our first paper introduced the technology and focused on the novel tooling. In this paper we describe the unique CNC machine tools and how they operate in polishing and correcting form. Experimental results demonstrate both the ‘2D’ and ‘2½D’ form-correction modes, as applied to aspheres with rotationally-symmetric target-form.

OCIS Codes
(220.0220) Optical design and fabrication : Optical design and fabrication
(240.5450) Optics at surfaces : Polishing

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: September 25, 2006
Revised Manuscript: October 19, 2006
Manuscript Accepted: November 4, 2006
Published: November 27, 2006

Citation
David D. Walker, Richard Freeman, Roger Morton, Gerry McCavana, and Anthony Beaucamp, "Use of the ‘Precessions’™ process for prepolishing and correcting 2D & 2½D form," Opt. Express 14, 11787-11795 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-24-11787

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References

D. D. Walker, D. Brooks, A. King, R. Freeman, R. Morton, G. McCavana, and S.-W. Kim, "The ‘Precessions’ tooling for polishing and figuring flat, spherical and aspheric surfaces," Opt. Express 11, 958-964 (2003). [CrossRef] [PubMed]
H. M. Martin, D. S. Andersen, J. R. P. Angel, R. H. Nagel, S. C. West, and R. S. Young, "Progress in the stressed-lap polishing of a 1.8m f/1 mirror," in Advanced Technology Optical Telescopes IV, L.D. Barr, ed., Proc. SPIE 1236, 682-690 (1990). [CrossRef]
T. Korhonen and T. Lappalainen "Computer controlled figuring and testing," in Advanced Technology Optical Telescopes IV, L. Barr, ed., Proc. SPIE 1236, 691-695 (1990). [CrossRef]
R. A. Jones "Fabrication of a large, thin, off-axis aspheric mirror," Opt. Eng. 33,4067-4075 (1994). [CrossRef]
V. W. Kordonski, D. Golini, P. Dumas, S. J. Hogan, and S. D. Jacobs, "Magnetorheological-suspension-based finishing technology," in Smart Structures and Materials 1998: Industrial and Commercial Applications of Smart Structures Technologies, J. M. Sater, ed., Proc. SPIE 3326, 527-535 (1998). [CrossRef]
O. W. Fähnle, H. van Brug, and H. Frankena, "Fluid jet polishing of optical surfaces," Appl. Opt. 37, 6771-6773 (1998). [CrossRef]
D. D. Walker, R. Freeman, G. McCavana, R. Morton, D. Riley, J. Simms, D. Brooks, and A. King, "The first aspheric form and texture results from a production machine embodying the precession process," in Optical Manufacturing and Testing IV, H. P. Stahl, ed., Proc. SPIE 4451, 267-276 (2001). [CrossRef]

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