19 June 2002 Optical tomography for smooth-changing refraction index distribution
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Abstract
We propose an algebraic reconstruction method (ART) based on smooth functions to obtain the refraction index distribution of a radially symmetric phase object. Recovering the refraction index of a transversal section enables us to obtain some other physical variables such as temperature, pressure, etc. Considering phase objects with a radially symmetric distribution allows the recovery of information regarding the volumetric distribution of the refraction index based on a single projection. The proposed method is accurate, faster, and somewhat easier to implement than other currently used ART methods. As a sample application, the proposed method is applied to a burning candle case.
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Enrique de la Rosa Miranda, Enrique de la Rosa Miranda, Luis R. Berriel-Valdos, Luis R. Berriel-Valdos, Marcelo Funes-Gallanzi, Marcelo Funes-Gallanzi, S. A. Fernandez Orozco, S. A. Fernandez Orozco, } "Optical tomography for smooth-changing refraction index distribution", Proc. SPIE 4778, Interferometry XI: Applications, (19 June 2002); doi: 10.1117/12.473548; https://doi.org/10.1117/12.473548
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