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Proceedings Paper

Optical CT imaging in highly scattering media by extraction of photons preserving initial polarization
Author(s): Hiromichi Horinaka; K. Hashimoto; Kenji Wada; T. Umeda; Yoshio Cho
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Paper Abstract

The depolarization of light in diffused medium was studied by observation of temporal profiles of orthogonally polarized components. The time dependence of depolarization of light in diffused medium was simulated by using the Monte Carlo method. The projection data of absorbers hidden in highly scattering medium were taken by the method for detecting photons which preserved initial polarization using a phase modulator. The floor level due to diffused light was significantly suppressed by our method. The reconstructed optical CT image exhibited high spatial resolution in comparison with the image from the projection data taken by a conventional method.

Paper Details

Date Published: 16 August 1996
PDF: 4 pages
Proc. SPIE 2873, International Symposium on Polarization Analysis and Applications to Device Technology, (16 August 1996); doi: 10.1117/12.246179
Show Author Affiliations
Hiromichi Horinaka, Osaka Prefecture Univ. (Japan)
K. Hashimoto, Osaka Prefecture Univ. (Japan)
Kenji Wada, Osaka Prefecture Univ. (Japan)
T. Umeda, Hiroshima Prefectural College of Health and Welfare (Japan)
Yoshio Cho, Oyokoden Lab. Co., Ltd. (Japan)


Published in SPIE Proceedings Vol. 2873:
International Symposium on Polarization Analysis and Applications to Device Technology
Toru Yoshizawa; Hideshi Yokota, Editor(s)

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