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Proceedings Paper

FEM simulation of laser-generated ultrasonic waves in human skin in different epidermal thickness
Author(s): Bo Zhou; Ren-Jun Zhan; Ning Shan; Jian Huang
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Paper Abstract

The Laser-Ultrasonic technique uses laser energy to generate ultrasound waves in various solids. In normal conditions, this technique is used to inspect large structures without destruction, but in military use, we hope get this destruction. Different races and different parts of the human body have different thickness of the epidermis. When the laser irradiates the human skin, different thickness of the skin will inevitably affect the results. In this paper, 10 laser pulses were simulated to irradiate human skin with different thickness of epidermis. The results show that the thinner the thickness of epidermis, the greater the temperature rise of skin, and the greater the displacement. When the thickness is more than 200 microns, the temperature change under the skin is not obvious, but the displacement direction changes and the displacement amplitude is smaller than the positive displacement.

Paper Details

Date Published: 23 October 2018
PDF: 9 pages
Proc. SPIE 10820, Optics in Health Care and Biomedical Optics VIII, 1082039 (23 October 2018); doi: 10.1117/12.2502446
Show Author Affiliations
Bo Zhou, Engineering Univ. of Chinese People’s Armed Police Force (China)
Ren-Jun Zhan, Engineering Univ. of Chinese People’s Armed Police Force (China)
Ning Shan, Engineering Univ. of Chinese People’s Armed Police Force (China)
Jian Huang, Engineering Univ. of Chinese People’s Armed Police Force (China)


Published in SPIE Proceedings Vol. 10820:
Optics in Health Care and Biomedical Optics VIII
Qingming Luo; Xingde Li; Ying Gu; Yuguo Tang, Editor(s)

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