Errors in optical shape measurement caused by a high-temperature atmosphere

Makoto Yamauchi

doi:10.1117/1.3212674

1 September 2009 Errors in optical shape measurement caused by a high-temperature atmosphere

Makoto Yamauchi

Author Affiliations +

Optical Engineering, Vol. 48, Issue 9, 096001 (September 2009). https://doi.org/10.1117/1.3212674

Abstract

There is an increasing need for on-site measurements in the manufacturing industry. In several cases, the shape of a work piece needs to be optically measured in high-temperature atmospheres up to 500 °C. Measurement errors caused by a lump of high-temperature air in an optical path were theoretically investigated using a model of a cylindrical lens made of air. Errors predicted by the model qualitatively explained the experimental results well. Quantitatively, the predicted errors were always larger than the experimental ones. The model was found to be useful for estimating the maximum values of the errors, which has important practical uses.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Makoto Yamauchi "Errors in optical shape measurement caused by a high-temperature atmosphere," Optical Engineering 48(9), 096001 (1 September 2009). https://doi.org/10.1117/1.3212674

Published: 1 September 2009

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