Moire interferometry for measuring 3-D displacement of negative camber (Proceedings Only)

Zhishan Luo; Jifang Li

doi:10.1117/12.135339

1 January 1992 Moire interferometry for measuring 3-D displacement of negative camber (Proceedings Only)

Zhishan Luo, Jifang Li

Proceedings Volume 1553, Laser Interferometry IV: Computer-Aided Interferometry; (1992) https://doi.org/10.1117/12.135339
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A 3-D displacement general equation of moire interferometry for measuring 3-D displacement of the negative camber using a dual columnar light wave is put forward. The authors researched the interference field of the dual columnar light wave and its change over law, and they deduced the internal columnar round and axial and radial displacement equation for measuring them. Using an optical fiber for flexible transmission and a small volume columnar lens system to realize miniaturization of the optical system, this technique can find use in measuring internal pipeline.

Citation Download Citation

Zhishan Luo and Jifang Li "Moire interferometry for measuring 3-D displacement of negative camber (Proceedings Only)", Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); https://doi.org/10.1117/12.135339

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