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17 June 2009 New metrology approach for the production of aspheric lenses
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The production process of aspheric lenses relies on the measurement results from interferometers and profilometers. A new type of machine setup combining a profilometer with a rotational measuring axis is presented. It allows to measure lenses in all production stages, i.e. from rough grinded surfaces, which can not be measured with interferometers up to polished surfaces. The setup is very flexible, as it does not need a specific hologram for each type of asphere. These properties provide new options to optimize the production process.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andreas Beutler "New metrology approach for the production of aspheric lenses", Proc. SPIE 7389, Optical Measurement Systems for Industrial Inspection VI, 738918 (17 June 2009);

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