Shape Adaptive Grinding (SAG): A Novel Fabrication Method for Freeform Optical Molds

Anthony Beaucamp; Yoshiharu Namba

doi:10.1364/OFT.2014.OTu3B.5

Classical Optics 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper OTu3B.5
•https://doi.org/10.1364/OFT.2014.OTu3B.5

Shape Adaptive Grinding (SAG): A Novel Fabrication Method for Freeform Optical Molds

Anthony Beaucamp and Yoshiharu Namba

Optical Fabrication and Testing 2014

Kohala Coast, Hawaii United States
22–26 June 2014
ISBN: 978-1-55752-747-9

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Fabrication Process Technology II (OTu3B)

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A. Beaucamp and Y. Namba, "Shape Adaptive Grinding (SAG): A Novel Fabrication Method for Freeform Optical Molds," in Classical Optics 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper OTu3B.5.

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Abstract

A novel fabrication method for freeform optical molds is proposed: Shape Adaptive Grinding combines an elastic tool with rigid diamond bearing pellets. This process delivers roughness below 1nm Ra on molding steels and CVD carbides.

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