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MOIRE INTERFEROMETRY FOR MEASURING 3-D DISPLACEMENT FIELDS IN REAL TIME SIMUTANEOUSLY[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(5): 589-594. DOI: 10.6052/0459-1879-1991-5-1995-880
Citation: MOIRE INTERFEROMETRY FOR MEASURING 3-D DISPLACEMENT FIELDS IN REAL TIME SIMUTANEOUSLY[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(5): 589-594. DOI: 10.6052/0459-1879-1991-5-1995-880

MOIRE INTERFEROMETRY FOR MEASURING 3-D DISPLACEMENT FIELDS IN REAL TIME SIMUTANEOUSLY

  • A specially arranged moire interferometry is proposed for measuring 3-D displacement fields in real time simuraneously. An optical arrangement is developed, which consists of three interferometry systerms: one normal incidence holographic interferometry and two Moire interferometry arrangements. An experimental demonsf-ation is conducted using a disc specimen with a high frequency cross line grating on its surface. The normal-mcidence holographic interferometry is used for obtaining the out of plane displac...
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