An instantaneous phase shifting ESPI system for dynamic deformation measurement

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In this study, an ESPI measurement system which is capable of grabbing four phase-shifted interferometric images instantaneously (or simultaneously) is developed for out-of-plane dynamic deformation measurement. A new polarization phase-shifting interferometric system is designed. The system constructed allows the four phase-shifted images to be grabbed by four CCD simultaneously. And digital image correlation method was applied to correct the pixel position mismatch among the four images. Thereafter, the phase at each pixel can be calculated for further obtaining the out-of-plane displacement. Test of the system on an edge-clamped circular plate heated from behind is demonstrated. The results reveal that the proposed system is applicable for the dynamic deformation measurement.

Original languageEnglish
Title of host publicationOptical Measurements, Modeling, and Metrology - Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics
Pages279-283
Number of pages5
Volume5
Publication statusPublished - 2011
Event2011 SEM Annual Conference on Experimental and Applied Mechanics - Uncasville, CT, United States
Duration: 2011 Jun 132011 Jun 16

Other

Other2011 SEM Annual Conference on Experimental and Applied Mechanics
CountryUnited States
CityUncasville, CT
Period11-06-1311-06-16

Fingerprint

Pixels
Correlation methods
Charge coupled devices
Polarization

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Computational Mechanics
  • Mechanical Engineering

Cite this

Chen, T. Y-F., & Chen, C. H. (2011). An instantaneous phase shifting ESPI system for dynamic deformation measurement. In Optical Measurements, Modeling, and Metrology - Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics (Vol. 5, pp. 279-283)
Chen, Terry Yuan-Fang ; Chen, C. H. / An instantaneous phase shifting ESPI system for dynamic deformation measurement. Optical Measurements, Modeling, and Metrology - Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics. Vol. 5 2011. pp. 279-283
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Chen, TY-F & Chen, CH 2011, An instantaneous phase shifting ESPI system for dynamic deformation measurement. in Optical Measurements, Modeling, and Metrology - Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics. vol. 5, pp. 279-283, 2011 SEM Annual Conference on Experimental and Applied Mechanics, Uncasville, CT, United States, 11-06-13.

An instantaneous phase shifting ESPI system for dynamic deformation measurement. / Chen, Terry Yuan-Fang; Chen, C. H.

Optical Measurements, Modeling, and Metrology - Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics. Vol. 5 2011. p. 279-283.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Chen TY-F, Chen CH. An instantaneous phase shifting ESPI system for dynamic deformation measurement. In Optical Measurements, Modeling, and Metrology - Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics. Vol. 5. 2011. p. 279-283