From Event: SPIE Commercial + Scientific Sensing and Imaging, 2018
The knowledge of the exact complex (amplitude and phase) wavefield scattered for different illuminating beams allows the computation of the 3D spatial distribution of a specimen. This work looks on how diffraction tomography can behave under high numerical aperture focusing conditions. Scalar theory is no longer valid in such system and nonparaxial vectorial field theory must be used. 'Numerical methods such as FDTD techniques can also be used to investigate the interaction of this field with the specimen.
S. Thibault, C. Pichette, M. Piché, and P. Marquet, "Digital holography under non paraxial conditions," Proc. SPIE 10666, Three-Dimensional Imaging, Visualization, and Display 2018, 106660K (Presented at SPIE Commercial + Scientific Sensing and Imaging: April 17, 2018; Published: 16 May 2018); https://doi.org/10.1117/12.2307673.
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