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Type: Artigo de evento
Title: Pseudoscopic White-light Imaging By Means Of Two Bi-dimensional Diffracting Elements And A Pinhole
Author: Lunazzi J.J.
Magalhaes D.S.F.
Abstract: Diffracted images with inverted depth were first reported by the authors where a lens or slit intermediated the white-light double diffraction process. The diffracting elements were simple straight line diffraction gratings and the image could be seen but not projected due to its strong astigmatism. The generalization of the symmetry properties to bi-dimensionally defined diffracting elements allows to produce projected images with circular gratings intermediated by a pinhole. Acting as a focusing element, the possibility of enlargement is reported here with experimental results.
Rights: aberto
Identifier DOI: 10.1117/12.591749
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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