Liquid crystal display for phase shifting

B. Villalobos-Mendoza; F. S. Granados-Agustín; D. Aguirre-Aguirre; A. Cornejo-Rodríguez

doi:10.1117/12.2026442

18 November 2013 Liquid crystal display for phase shifting

B. Villalobos-Mendoza, F. S. Granados-Agustín, D. Aguirre-Aguirre, A. Cornejo-Rodríguez

Proceedings Volume 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications; 878581 (2013) https://doi.org/10.1117/12.2026442
Event: 8th Ibero American Optics Meeting/11th Latin American Meeting on Optics, Lasers, and Applications, 2013, Porto, Portugal

Abstract

This work arises based on the idea proposed by Millered et al. in 2004, where they show how to get in one shot interferograms with phase shift using a mask with micro-polarizers, in this work we pretend to obtain phase shift in localized areas of an interferogram using the properties of polarization and the pixelated configuration of a liquid crystal display (LCD) for testing optical surfaces. In this work we describes the process of characterization of a liquid crystal display CRL Opto and XGA2P01 model, which is introduced in one arm of a Twyman Green interferometer. Finally we show the experimental interferograms with phase shifts which are caused by different gray levels displayed in the LCD.

Citation Download Citation

B. Villalobos-Mendoza, F. S. Granados-Agustín, D. Aguirre-Aguirre, and A. Cornejo-Rodríguez "Liquid crystal display for phase shifting", Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 878581 (18 November 2013); https://doi.org/10.1117/12.2026442

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