UltraForm finishing process for optical materials

E. Fess; J. Schoen; M. Bechtold; D. Mohring; C. Bouvier

doi:10.1117/12.623833

19 August 2005 UltraForm finishing process for optical materials

E. Fess, J. Schoen, M. Bechtold, D. Mohring, C. Bouvier

Proceedings Volume 5869, Optical Manufacturing and Testing VI; 58690F (2005) https://doi.org/10.1117/12.623833
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

A new compliant sub-aperture optical finishing technique is being investigated for the removal of mid-spatial frequency artifacts and smoothing of hard polycrystalline infrared ceramics for aspheric applications and conformal shaped optics. The UltraForm concept was developed by OptiPro Systems, Ontario, NY, and is a joint process development effort with the Center for Optics Manufacturing (COM). The latest version of the UltraForm tool "V3" is of a belted design whereby a belt of finishing material is passed over a toroidal elastomeric wheel. Finishing materials used include a wide variety of pad materials and abrasive selections. Experimentation has been conducted using both slurry mixes and fixed abrasive bands. The toroidal wheel is rotated while the compliant tool is compressed into contact with the optical surface. Presented will be the current results in optical glasses and crystalline ceramics such as ALON, Spinel and Polycrystalline Alumina.

Citation Download Citation

E. Fess, J. Schoen, M. Bechtold, D. Mohring, and C. Bouvier "UltraForm finishing process for optical materials", Proc. SPIE 5869, Optical Manufacturing and Testing VI, 58690F (19 August 2005); https://doi.org/10.1117/12.623833

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