Profilometry of three-dimensional discontinuous solids by combining two-steps temporal phase unwrapping, co-phased profilometry and phase-shifting interferometry
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- 作者：Manuel Servin ; mservin@cio.mx" class="auth_mail" title="E-mail the corresponding author ; Moises Padilla ; Guillermo Garnica ; Adonai Gonzalez
- 关键词：Three-dimensional profilometry ; Industrial solids profilometry ; Co-phase demodulation ; Temporal phase-unwrapping ; Fringe-pattern phase-demodulation
- 刊名：Optics and Lasers in Engineering
- 出版年：2016
- 出版时间：December 2016
- 年：2016
- 卷：87
- 期：Complete
- 页码：75-82
- 全文大小：2830 K
文摘
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We describe how to combine co-phased profilometry with 2-step temporal phase-unwrapping to digitize discontinuous solids.
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This technique minimizes the problem of self-generated shadows in profilometry of discontinuous solids.
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This 3D profilometer of discontinuous solids uses 2-steps temporal phase unwrapping of two widely separated phase sensitivities.