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The choice method of light source radius in x-ray phase contrast imaging system

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Abstract

Based on the partially coherent optical theory, a new theoretical model is established about the x-ray light source radius of x-ray phase contrast imaging system. Through the integral phase contrast modulation transfer function, a comprehensive analysis about the light source radius is made. Then the light source radius selection methods are investigated. Finally, an actual imaging experiment is shown to confirm the choice method of light source radius in an x-ray phase contrast imaging system.

© 2013 Optical Society of America

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