Feasibility study on strengthening heating effect of high power short pulse laser on biological tissue by micro/nano metal particles |
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| Authors: | Yonggang Lv Xiulan Huai |
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| Affiliation: | (1) Department of Biomedical Engineering, The City College of The City University of New York, New York, NY, USA;(2) Institute of Engineering Thermophysics, Chinese Academy of Sciences, P.O. Box 2706, 100080 Beijing, People’s Republic of China |
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| Abstract: | A new method for enhancing the heating effect of high power short pulse laser on biological tissue by micro/nano metal particles was proposed. Theoretical analysis of the influences of the micro/nano particle kind, the concentration and the microcosmic distribution of micro/nano particles on the temperature response was carried out with a multi-layer hyperbolic heat conduction model with volumetric heat generation. The results indicate that embedding micro/nano particles could improve the surface temperature increase of biological tissue with short duration and reduce the deeper material temperature under the same heating condition, which would help strengthen the heating effects of high power short pulse laser on biological tissue. This study may open a new technical approach for improving laser applications. |
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