A near-infrared optical tomography system based on photomultiplier tube

Huacheng Feng, Jing Bai, Xiaolei Song, Gang Hu

Research output: Contribution to journalArticle

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.

Original languageEnglish (US)
Article number28387
JournalInternational Journal of Biomedical Imaging
Volume2007
DOIs
StatePublished - Aug 1 2007

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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