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Proceedings Paper

The Ronchi test using a liquid crystal display as a phase grating
Author(s): Miguel Mora-González; Francisco J. Casillas; Jesús Muñoz-Maciel; Roger Chiu-Zarate; Francisco G. Peña-Lecona
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Paper Abstract

The Ronchi test with a Liquid Crystal Display (LCD) phase grating is used for testing convergent optical systems. The rulings are computer-generated and displayed on the LCD. We prove that it is possible to make a variable electronically phase grating by using an LCD. By displaying various phase-shifted rulings and capturing the corresponding ronchigrams, the phase is obtained with the conventional phase-shifting algorithms. Experimental results are shown.

Paper Details

Date Published: 27 May 2011
PDF: 6 pages
Proc. SPIE 8082, Optical Measurement Systems for Industrial Inspection VII, 80823G (27 May 2011); doi: 10.1117/12.889600
Show Author Affiliations
Miguel Mora-González, Univ. de Guadalajara (Mexico)
Francisco J. Casillas, Univ. de Guadalajara (Mexico)
Jesús Muñoz-Maciel, Univ. de Guadalajara (Mexico)
Roger Chiu-Zarate, Univ. de Guadalajara (Mexico)
Francisco G. Peña-Lecona, Univ. de Guadalajara (Mexico)


Published in SPIE Proceedings Vol. 8082:
Optical Measurement Systems for Industrial Inspection VII
Peter H. Lehmann; Wolfgang Osten; Kay Gastinger, Editor(s)

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