Whole-field stress fringe compensation using photoelastic carrier shifting and optical information processing

Xi Zhang; Baishi Wang; Yaowen Li

doi:10.1117/12.49567

1 December 1991 Whole-field stress fringe compensation using photoelastic carrier shifting and optical information processing

Xi Zhang, Baishi Wang, Yaowen Li

Author Affiliations +

Proceedings Volume 1554, Second International Conference on Photomechanics and Speckle Metrology; (1991) https://doi.org/10.1117/12.49567
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A new whole—field isochromatic fringe compensation technique is presented. In the method, the isochromatic fringe pattern is modulated by the carrier using a carrier generator, and the shifting technique of the moire method and the optical filtering technique are applied. Its applications in diesel engine crankshaft and dynamic thermal analysis are introduced.

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Xi Zhang, Baishi Wang, and Yaowen Li "Whole-field stress fringe compensation using photoelastic carrier shifting and optical information processing", Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); https://doi.org/10.1117/12.49567

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