Paper
14 October 2004 Comparison of a new contact topographical measurement system for spherical and aspherical surfaces with interferometry
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Abstract
Since end of 2003 the TII-3D - the new contact topography measuring device for measuring aspherical and spherical surfaces - is available on market. Due to its novel technology, the system is specified to measure a large range with λ/10 accuracy, therefore being a very flexible tool for pre- and post-measurements in high quality zonal polishing processes like MRF. At the University of Applied Sciences Deggendorf a testing series has been carries out to compare the results of the TII-3D with CGH-interferometric measurements on aspherical surfaces. An analysis of the measurement errors is shown and ranking of the different metrology systems for production processes of high quality aspherical lenses is given.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Elmar G. Pitschke, Markus Schinhaerl, Peter Sperber, Rolf Rascher, Richard Stamp, Lyndon N. Smith, Melvyn Smith, and Andreas Hammer "Comparison of a new contact topographical measurement system for spherical and aspherical surfaces with interferometry", Proc. SPIE 5523, Current Developments in Lens Design and Optical Engineering V, (14 October 2004); https://doi.org/10.1117/12.558899
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Cited by 1 scholarly publication.
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KEYWORDS
Computer generated holography

Spherical lenses

Surface finishing

Interferometers

Optical spheres

Diamond turning

Interferometry

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