Simulation tools for analyzer-based x-ray phase contrast imaging system with a conventional x-ray source

Oriol Caudevilla; Wei Zhou; Stanislav Stoupin; Boris Verman; J. G. Brankov

doi:10.1117/12.2241205

16 September 2016 Simulation tools for analyzer-based x-ray phase contrast imaging system with a conventional x-ray source

Oriol Caudevilla, Wei Zhou, Stanislav Stoupin, Boris Verman, J. G. Brankov

Author Affiliations +

Proceedings Volume 9964, Advances in Laboratory-based X-Ray Sources, Optics, and Applications V; 99640E (2016) https://doi.org/10.1117/12.2241205
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

Analyzer-based X-ray phase contrast imaging (ABI) belongs to a broader family of phase-contrast (PC) X-ray imaging modalities. Unlike the conventional X-ray radiography, which measures only X-ray absorption, in PC imaging one can also measures the X-rays deflection induced by the object refractive properties. It has been shown that refraction imaging provides better contrast when imaging the soft tissue, which is of great interest in medical imaging applications. In this paper, we introduce a simulation tool specifically designed to simulate the analyzer-based X-ray phase contrast imaging system with a conventional polychromatic X-ray source. By utilizing ray tracing and basic physical principles of diffraction theory our simulation tool can predicting the X-ray beam profile shape, the energy content, the total throughput (photon count) at the detector. In addition we can evaluate imaging system point-spread function for various system configurations.

Conference Presentation

Citation Download Citation

Oriol Caudevilla, Wei Zhou, Stanislav Stoupin, Boris Verman, and J. G. Brankov "Simulation tools for analyzer-based x-ray phase contrast imaging system with a conventional x-ray source", Proc. SPIE 9964, Advances in Laboratory-based X-Ray Sources, Optics, and Applications V, 99640E (16 September 2016); https://doi.org/10.1117/12.2241205

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