Multi-spectral intensity diffraction tomography

Mark A. Anastasio; Qiaofeng Xu; Daxin Shi

doi:10.1117/12.795503

5 September 2008 Multi-spectral intensity diffraction tomography

Mark A. Anastasio, Qiaofeng Xu, Daxin Shi

Proceedings Volume 7076, Image Reconstruction from Incomplete Data V; 707605 (2008) https://doi.org/10.1117/12.795503
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

Intensity diffraction tomography (I-DT) is a non-interferometric imaging method for reconstructing the complex-valued refractive index distribution of a weakly scattering object. The original formulation of I-DT requires measurement of two in-line intensity measurements on parallel detector planes at each tomographic view angle. In this work, a reconstruction theory for multi-spectral is established and investigated for use with single material objects whose dispersion characteristics are known a priori. Unlike other I-DT methods, the temporal frequency of the illuminating plane-wave represents the degree-of-freedom of the imaging system that is varied to acquire two independent intensity measurements on a fixed detector-plane. Moreover, the proposed method accounts for object dispersion.

Citation Download Citation

Mark A. Anastasio, Qiaofeng Xu, and Daxin Shi "Multi-spectral intensity diffraction tomography", Proc. SPIE 7076, Image Reconstruction from Incomplete Data V, 707605 (5 September 2008); https://doi.org/10.1117/12.795503

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