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A new approach for noninvasive skin blood imaging in microcirculation

✍ Scribed by Hongzhi Zhao; Robert H Webb; Bernhard Ortel

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
128 KB
Volume
34
Category
Article
ISSN
0030-3992

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✦ Synopsis

A new noninvasive method is proposed for optically imaging blood under skin. A mini-mirror is used to guide the light incident onto the skin surface, while blocking specularly re ected light from the tissue. Moreover, by using two linear polarizers at right angles, the specular re ection can be reduced further, while also blocking the rough surface scattered light. A circular polarizer may be used to obtain the same e ect. As a result, the blood ow beneath the surface of skin can be visualized clearly. The e ect of the mini-mirror is also analyzed theoretically and experimentally.

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