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KMID : 1137820070280020229
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의공학회지
2007 Volume.28 No. 2 p.229 ~ p.234
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Optical Property Measurements of Optical Phantoms and Honan Tissues Using Frequency-Domain Diffuse Optical Tomography
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Ho Dong-Su
Kwon Ki-Woon
Eom Gi-Yun
Lee Seung-Duk
Kim Beop-Min
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Abstract
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Diffuse optical tomography (DOT) is a relatively new medical imaging modality which uses near infrared light to image large-sized tissues noninvasively. We constructed a frequency-domain DOT system to measure the optical properties of optical phantoms and human tissues. The FD-DOT uses the intensity-modulated infrared light source that illuminates the biological tissues. The phase shift and modulation changes at each detector site are separately processed to measure the optical properties. The absorption and scattering coefficients are separately estimated using inverse algorithms
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KEYWORD
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optical imagng, frequency-domain diffuse optical tomography, NIR(near-infrared), absorption coefficient, scattering coefficient
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