Updated: Jun 17, 2026

Convergent Polishing: A Simple, Rapid, Full Aperture Polishing Process of High Quality Optical Flats & Spheres
Published on: December 1, 2014
J B Schroeder1, S Bashkin, J F Nester
1Research Department, The Perkin-Elmer Corporation, Norwalk, Connecticut, USA.
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Controlled material removal from insulators was achieved using a positive ion beam, with a sputtering yield of unity observed between 0.5-2.0 MeV. This method shows promise for manufacturing high-quality optical surfaces.
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