Real-time line projection for fast terahertz spectral computed tomography |
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Authors: | Abraham Emmanuel Ohgi Yoshiyuki Minami Masa-Aki Jewariya Mukesh Nagai Masaya Araki Tsutomu Yasui Takeshi |
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Institution: | Laboratoire Ondes et Matière d’Aquitaine (LOMA), University of Bordeaux-CNRS, UMR 5798, 351 Cours de la Libération, 33405 Talence, France. |
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Abstract: | We demonstrated fast terahertz spectral computed tomography by using real-time line projection of a terahertz beam. Two types of cross-sectional images of continuously rotating samples have been measured in only a few seconds. From temporal data, a peak-to-peak sinogram and cross sections have been reconstructed using a filtered backprojection algorithm. Using fast Fourier transform from temporal data, spectral cross sections of the sample have been obtained. |
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