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Journal of Biomedical Optics

Analysis on performance and optimization of frequency-domain near-infrared instruments
Author(s): Tao Tu; Yu Chen; Zhang Jun; Xavier Intes; Britton Chance
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Paper Abstract

Frequency-domain near-infrared techniques have been widely used to detect the optical properties of biological tissues noninvasively. In this paper we propose an analytical model to evaluate the performance of frequency-domain instruments. Based on the diffusion equation and the transfer properties of optoelectronic components, we treat all parts, including the medium, as two-port networks and apply systematic methods to answer questions concerning frequency-domain instruments. Experiments show that this method can reasonably reflect the properties of the instrument within an accuracy of 7%. This kind of method can be used to design suitable instruments for various applications. We also analyze the selection of the instrument parameters to achieve optimal performance at an efficient cost using this analytical model.

Paper Details

Date Published: 1 October 2002
PDF: 7 pages
J. Biomed. Opt. 7(4) doi: 10.1117/1.1501562
Published in: Journal of Biomedical Optics Volume 7, Issue 4
Show Author Affiliations
Tao Tu, Univ. of Pennsylvania (United States)
Yu Chen, Univ. of Pennsylvania (United States)
Zhang Jun, Univ. of Pennsylvania (United States)
Xavier Intes, Univ. of Pennsylvania (United States)
Britton Chance, Univ. of Pennsylvania (United States)


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