Magnetorheological finishing for removing surface and subsurface defects of fused silica optics

Rodolphe Catrin; Jerome Neauport; Daniel Taroux; Philippe Cormont; Cedric Maunier; Sebastien Lambert

doi:10.1117/1.OE.53.9.092010

22 May 2014 Magnetorheological finishing for removing surface and subsurface defects of fused silica optics

Rodolphe Catrin, Jerome Neauport, Daniel Taroux, Philippe Cormont, Cedric Maunier, Sebastien Lambert

Author Affiliations +

Optical Engineering, Vol. 53, Issue 9, 092010 (May 2014). https://doi.org/10.1117/1.OE.53.9.092010

Abstract

We investigate the capacity of magnetorheological finishing (MRF) process to remove surface and subsurface defects of fused silica optics. Polished samples with engineered surface and subsurface defects were manufactured and characterized. Uniform material removals were performed with a QED Q22-XE machine using different MRF process parameters in order to remove these defects. We provide evidence that whatever the MRF process parameters are, MRF is able to remove surface and subsurface defects. Moreover, we show that MRF induces a pollution of the glass interface similar to conventional polishing processes.

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Rodolphe Catrin, Jerome Neauport, Daniel Taroux, Philippe Cormont, Cedric Maunier, and Sebastien Lambert "Magnetorheological finishing for removing surface and subsurface defects of fused silica optics," Optical Engineering 53(9), 092010 (22 May 2014). https://doi.org/10.1117/1.OE.53.9.092010

Published: 22 May 2014

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