A simplified approach for tomographic diffractive microscopy

L. Foucault; N. Verrier; M. Debailleul; B. Simon; O. Haeberlé

doi:10.1117/12.2521798

16 July 2019 A simplified approach for tomographic diffractive microscopy

L. Foucault, N. Verrier, M. Debailleul, B. Simon, O. Haeberlé

Proceedings Volume 11172, Fourteenth International Conference on Quality Control by Artificial Vision; 111720F (2019) https://doi.org/10.1117/12.2521798
Event: Fourteenth International Conference on Quality Control by Artificial Vision, 2019, Mulhouse, France

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.

Citation Download Citation

L. Foucault, N. Verrier, M. Debailleul, B. Simon, and O. Haeberlé "A simplified approach for tomographic diffractive microscopy", Proc. SPIE 11172, Fourteenth International Conference on Quality Control by Artificial Vision, 111720F (16 July 2019); https://doi.org/10.1117/12.2521798

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