Intensity diffraction tomography with fixed detector plane

Daxin Shi; Mark A. Anastasio

doi:10.1117/1.2799088

1 October 2007 Intensity diffraction tomography with fixed detector plane

Daxin Shi, Mark A. Anastasio

Author Affiliations +

Optical Engineering, Vol. 46, Issue 10, 107003 (October 2007). https://doi.org/10.1117/1.2799088

Abstract

Intensity diffraction tomography (IDT) is an imaging method for reconstructing the complex refractive index distribution of a weakly scattering three-dimensional object. Unlike classic diffraction tomography, which requires measurement of the transmitted wave-field phase, IDT accomplished this reconstruction from knowledge of wave-field intensity measurements on parallel detector planes at each tomographic view angle. In this work, novel scanning protocols and reconstruction algorithms for IDT are proposed that require two intensity measurements on a single detector plane positioned at a fixed distance from the object. Each measurement corresponds to a probing spherical wave field that possesses a distinct curvature. Accordingly, the form of the incident wavefield, rather than the detector position, represents the degree of freedom in the imaging system that is varied for acquisition of the necessary measurement data. Computer simulation studies are conducted to investigate the developed data acquisition and image reconstruction algorithms.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Daxin Shi and Mark A. Anastasio "Intensity diffraction tomography with fixed detector plane," Optical Engineering 46(10), 107003 (1 October 2007). https://doi.org/10.1117/1.2799088

Published: 1 October 2007

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