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15 October 2015 Parameters effects study on pulse laser for the generation of surface acoustic waves in human skin detection applications
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Proceedings Volume 9671, AOPC 2015: Advances in Laser Technology and Applications; 96710Z (2015) https://doi.org/10.1117/12.2199656
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China
Abstract
Laser-induced Surface Acoustic Waves (LSAWs) has been promisingly and widely used in recent years due to its rapid, high accuracy and non-contact evaluation potential of layered and thin film materials. For now, researchers have applied this technology on the characterization of materials' physical parameters, like Young's Modulus, density, and Poisson’s ratio; or mechanical changes such as surface cracks and skin feature like a melanoma. While so far, little research has been done on providing practical guidelines on pulse laser parameters to best generate SAWs. In this paper finite element simulations of the thermos-elastic process based on human skin model for the generation of LSAWs were conducted to give the effects of pulse laser parameters have on the generated SAWs. And recommendations on the parameters to generate strong SAWs for detection and surface characterization without cause any damage to skin are given.
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Tingting Li, Xing Fu, Dante J. Dorantes-Gonzalez, Kun Chen, Yanning Li, and Sen Wu "Parameters effects study on pulse laser for the generation of surface acoustic waves in human skin detection applications", Proc. SPIE 9671, AOPC 2015: Advances in Laser Technology and Applications, 96710Z (15 October 2015); https://doi.org/10.1117/12.2199656
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