A Near-Infrared Optical Tomography System Based on Photomultiplier Tube

Feng, Huacheng; Bai, Jing; Song, Xiaolei; Hu, Gang; Yao, Junjie

doi:https://doi.org/10.1155/2007/28387

International Journal of Biomedical Imaging

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Recent Advances in Molecular Imaging

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Research Article | Open Access

Volume 2007 | Article ID 028387 | https://doi.org/10.1155/2007/28387

A Near-Infrared Optical Tomography System Based on Photomultiplier Tube

Huacheng Feng,¹Jing Bai,¹Xiaolei Song,¹Gang Hu,¹and Junjie Yao¹

Academic Editor: Jie Tian

Received05 Jan 2007

Revised07 May 2007

Accepted07 Jun 2007

Published11 Jul 2007

Abstract

Diffuse optical tomography (DOT) is a rapidly growing discipline in recent years. It plays an important role in many fields, such as detecting breast cancer and monitoring the cerebra oxygenation. In this paper, a relatively simple, inexpensive, and conveniently used DOT system is presented in detail, in which only one photomultiplier tube is employed as the detector and an optical multiplexer is used to alter the detector channels. The 32-channel imager is consisted of 16-launch fibers and 16-detector fibers bundles, which works in the near-infrared (NIR) spectral range under continuous-wave (CW) model. The entire imaging system can work highly automatically and harmoniously. Experiments based on the proposed imaging system were performed, and the desired results can be obtained. The experimental results suggested that the proposed imaging instrumentation is effective.

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Copyright

Copyright © 2007 Huacheng Feng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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