Fast 3D Shape Measurement of Transparent Glasses by Sequential Thermal Fringe Projection
1 Fraunhofer Institute for Applied Optics and Precision Engineering IOF, Albert-Einstein-Str. 7, 07745 Jena, Germany
2 Friedrich Schiller University, Institute of Applied Physics, Abbe Center of Photonics, Albert-Einstein-Str. 6, 07745 Jena, Germany
3 Ilmenau University of Technology, Department of Mechanical Engineering, Gustav-Kirchhoff-Platz 2, 98693 Ilmenau, Germany
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Published online: 20 August 2020
We present an approach for measuring the shape of transparent glasses, which enables us to significantly reduce the comparatively long measurement time while increasing the measurement accuracy. Instead of using area-like patterns, we irradiate the object to be measured successively in a locally strongly restricted area with considerably higher irradiance.
© The Authors, published by EDP Sciences, 2020
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