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Quasicontinuous pseudoimages in sinusoidal grating imaging using an extended light source

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Sánchez Brea, Luis Miguel and Alonso Fernández, José and Bernabeu Martínez, Eusebio (2004) Quasicontinuous pseudoimages in sinusoidal grating imaging using an extended light source. Optics Communications, 236 (1-3). pp. 53-58. ISSN 0030-4018

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Official URL: http://dx.doi.org/10.1016/j.optcom.2004.03.024


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Abstract

When a polychromatic light illuminates a grating, an achromatic and continuous self-imaging regime is produced, what means that Talbot planes are eliminated. In this work, we investigate the existence of this continuous regime for generalized grating imaging. We have found that amplitude gratings with sinusoidal profiles may form, under monochromatic and partially coherent illumination, pseudoimages whose contrast or modulation present a smooth dependence on the gap between the two gratings.


Item Type:Article
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© Elsevier B. V.
This project was supported by the Ministerio de Ciencia y Tecnología of Spain projects DPI2001-1238 and DPI2001-1369.

Uncontrolled Keywords:Diffraction Gratings, Illumination
Subjects:Sciences > Physics > Optics
ID Code:26748
Deposited On:25 Sep 2014 10:47
Last Modified:25 Sep 2014 10:47

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