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Proceedings Paper

A simplified approach for tomographic diffractive microscopy
Author(s): L. Foucault; N. Verrier; M. Debailleul; B. Simon; O. Haeberlé
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Paper Abstract

Tomographic diffractive microscopy (TDM) is an imaging technique, which allows for recording the refractive index of unlabelled transparent specimens. Based on diffraction theory, it can be implemented in transmission or in reflection. In this paper, a new TDM data acquisition and reconstruction method is proposed. The purpose is to use the mirror effect of a reflecting material to establish a double illumination system. Neglecting backward-diffracted fields, the setup reduces to a double-transmission TDM, which combined with an azimuthal rotation of the illumination, allows for faster and simplified acquisitions. We also point out a new demodulation method based only on Fourier transforms.

Paper Details

Date Published: 16 July 2019
PDF: 6 pages
Proc. SPIE 11172, Fourteenth International Conference on Quality Control by Artificial Vision, 111720F (16 July 2019); doi: 10.1117/12.2521798
Show Author Affiliations
L. Foucault, Univ. de Haute Alsace (France)
N. Verrier, Univ. de Haute Alsace (France)
M. Debailleul, Univ. de Haute Alsace (France)
B. Simon, Univ. de Bordeaux, Institut d'Optique Graduate School, CNRS (France)
O. Haeberlé, Univ. de Haute Alsace (France)

Published in SPIE Proceedings Vol. 11172:
Fourteenth International Conference on Quality Control by Artificial Vision
Christophe Cudel; Stéphane Bazeille; Nicolas Verrier, Editor(s)

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