Dammann grating computed-controlled design to profilometry

A. Nava-Vega; Javier Salinas-Luna

doi:10.1117/12.903411

25 October 2011 Dammann grating computed-controlled design to profilometry

A. Nava-Vega, Javier Salinas-Luna

Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 80112W (2011) https://doi.org/10.1117/12.903411
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

Abstract

In this work we have developed a design fringe projection method to obtain profilometry of a suitable object by using Dammann gratings encoded into an LCD as a modulator space and a monochromatic light source. Dammann grating are diffraction binary gratings commonly used to generate diffraction points with the same intensity in Fourier plane. Diffraction order and spatial frequency are parameter of grating design, several gratings types can be designed and projected on objects by controlling parameters of design.

Citation Download Citation

A. Nava-Vega and Javier Salinas-Luna "Dammann grating computed-controlled design to profilometry", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 80112W (25 October 2011); https://doi.org/10.1117/12.903411

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