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Proceedings Paper

Design and verification of NIR DOT electro-optical measuring system
Author(s): Min-Chun Pan; Chien-Hung Chen; Wei-Hua Huang; Min-Cheng Pan
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Paper Abstract

The study aims at developing a near infrared (NIR) tomography imaging system using a single rotating source/detector scanning device, which will be working for diffuse optical tomography (DOT) on medical applications. Some influential factors in terms of the design of this scanning device and test phantoms are investigated such as the temporal stability, air-absorption, container influence, and radiance normalization, etc. Then, a heterogeneous microsphere phantom with an off-center inclusion is investigated. It is observed that the radiance deviation between the heterogeneous and the homogenous is shifting with the inclusion position accordingly. Through the previously-mentioned system calibration, the back projection method as widely applied in the computed tomography (CT) technique is used to reconstruct optical images which indicate the distribution of optical property of the test phantom.

Paper Details

Date Published: 6 March 2006
PDF: 9 pages
Proc. SPIE 6139, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XV, 61390H (6 March 2006); doi: 10.1117/12.645180
Show Author Affiliations
Min-Chun Pan, National Central Univ. (Taiwan)
Chien-Hung Chen, National Central Univ. (Taiwan)
Wei-Hua Huang, National Central Univ. (Taiwan)
Min-Cheng Pan, Tung-Nan Institute of Technology (Taiwan)


Published in SPIE Proceedings Vol. 6139:
Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy XV
David Kessel, Editor(s)

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