3 October 2001 Application of Ritchey-Common test in large flat measurements
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Abstract
The Ritchey-Common test is a well-known method for large flat measurements. This paper describes a straightforward implementation ofthe formulas, to allow accurate surface height calculation using relatively few separate measurements. Both Ritchey-Common test and direct measurement results are presented. In comparison of the two methods, the RitcheyCommon test is in good agreement with the direct measurement.
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Sen Han, Sen Han, Erik Novak, Erik Novak, Mike Schurig, Mike Schurig, } "Application of Ritchey-Common test in large flat measurements", Proc. SPIE 4399, Optical Measurement Systems for Industrial Inspection II: Applications in Production Engineering, (3 October 2001); doi: 10.1117/12.445584; https://doi.org/10.1117/12.445584
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