| Autor: |
Jochen Neumann, Gerd Haeusler, Marc Schmidt, Peter Andretzky, G. Bohn, G. Ammon, Michael W. Lindner |
| Rok vydání: |
1999 |
| Předmět: |
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| Zdroj: |
SPIE Proceedings. |
| ISSN: |
0277-786X |
| Popis: |
Important aims in dermatology are the measurement of pathological alterations of human skin and on the other hand the quantification of the influences caused by pharmaceutic and cosmetic products. We present modifications of the well- established coherence radar that allow in vivo measurement of human skin, in spite of involuntary body movements and bloodflow. The measuring field can be varied from 100 X 100 micrometers 2 to 5 X 5 mm2. The measuring time is 5 to 15 s and the longitudinal measuring uncertainty is about 2 micrometers . A fiber optical implementation allows the separation of the sensor head from the mechanical scan. The mobile and compact sensor head can now be freely positioned and adjusted to each part of the patient's skin. Disturbances caused by unavoidable movement of the patient can be compensated by modified setups of the coherence radar. We show measurements of clinical and cosmetic relevance.© (1999) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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