Three-dimensional shape measurement with wavelength-modulated laser base on fiber optic interferometer projection

Ronggang Zhu; Qian Song; Rihong Zhu; Jianxin Li

doi:10.1117/12.2018935

22 June 2013 Three-dimensional shape measurement with wavelength-modulated laser base on fiber optic interferometer projection

Ronggang Zhu, Qian Song, Rihong Zhu, Jianxin Li

Author Affiliations +

Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 876938 (2013) https://doi.org/10.1117/12.2018935
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore

Abstract

A novel three dimensional profilometry technique by optical fiber interference projection was presented. Take the wavelength-modulated laser as the light source to make the purpose of interference fringe phase-shift by changing the wavelength of the precision power. Compare with the traditional means what changing the phase by PZT, the new method is easier in phase calibration and phase-shift controlling for its anti-interference and having no hysteresis. In addition, the experimental equipment can be associated with commercial interferometer so that their software can be taken as the tool for data processing.

Citation Download Citation

Ronggang Zhu, Qian Song, Rihong Zhu, and Jianxin Li "Three-dimensional shape measurement with wavelength-modulated laser base on fiber optic interferometer projection", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 876938 (22 June 2013); https://doi.org/10.1117/12.2018935

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