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  1. Advanced Processing

    … a near net-shaped optical glass blank and then grinding a best-fit sphere onto the surface. From this … surface. A fine grind is performed to minimize sub-surface grinding damage and prepare the asphere for polishing. The aspheric lens …

  2. Measuring Aspheres: Selecting 2D or 3D Metrology

    … profilometer is invaluable for providing feedback into the grinding process to correct rotationally symmetric errors. Using 2D to measure and correct during the polishing process, however, has greater limitations. Its … the data is not sufficient to provide feedback into a polishing tool for corrections because the lack of detail …

    kwarden - 10/16/2019 - 14:26

  3. New Aspheric Manufacturing and Metrology Cell Commissioned by LaCroix

    … Ultrasurf 3D aspheric measuring system, a Satisloh SPS 125 Polishing Machine, as well as a Satisloh SPM 200 Grinding Machine and SPS 200 Polishing Machine. “This acquisition will complement …

    servers@pleth.com - 12/22/2017 - 09:09

  4. LaCroix Precision Optics Announces Apprentices

    … and became full-time in July 2006. He has worked in CNC (grinding, polishing, beveling, phase shifting) and plano. He has …

    sam.burchfield… - 08/27/2021 - 12:56

  5. Optics Manufacturing 101

    … precision aspheres. Our presentation will apply to grinding and polishing aspheres, as well as the metrology utilized to …