ULTRAFAST DEFORMATION IN FEMTOSECOND LASER HEATING

机译：飞秒激光加热的超快速变形

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The hot-electron blasting model is extended in this work to describe the ultrafast deformation in thin metal films in the sub-picosecond to picosecond domain. The driving force depends on both the temperature and temperature gradient in the hot electron gas, while the metal lattices remain thermally undisturbed in this highly non-equilibrium regime. The dominating parameters characterizing the ultrafast deformation are identified. The phonon-electron interaction model is used to describe the electron temperature, while renormalization of elastic moduli is accommodated in the dynamic equation of motion. Method of lines is used to solve the nonlinearly coupled equations describing ultrafast deformation in the sub-picosecond domain.

机译：在这项工作中扩展了热电子喷射模型，以描述亚皮秒至皮秒范围内的金属薄膜的超快速变形。驱动力取决于热电子气中的温度和温度梯度，而在这种高度不平衡的状态下，金属晶格保持不受热干扰。确定了表征超快速变形的主要参数。声子-电子相互作用模型用于描述电子温度，而弹性模量的重新归一化则包含在运动的动力学方程中。使用线法求解描述亚皮秒范围内超快速变形的非线性耦合方程。

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《The 2001 ASME International Mechanical Engineering Congress and Exposition, 2001, Nov 11-16, 2001, New York, New York》|2001年|p.337-345|共9页
会议地点 New York NY(US);New York NY(US)
作者
D. Y. Tzou; J. E. Beraun; J. K. Chen;
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作者单位

Department of Mechanical and Aerospace Engineering, University of Missouri-Columbia Columbia, MO 65211;

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原文格式 PDF
正文语种 eng
中图分类电工技术;
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3. Ultrafast Deformation in Femtosecond Laser Heating [J] . D. Y. Tzou, J. E. Beraun, J. K. Chen Journal of Heat Transfer . 2002,第2期

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6. Ultrafast deformation in femtosecond laser heating [C] . D. Y. Tzou, J. E. Beraun, J. K. Chen ASME international mechanical engineering congress and exposition . 2001

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机译：通过无源光腔控制和存储飞秒脉冲超稳定超快激光器，无增益无源放大器和超灵敏宽带激光光谱仪

ULTRAFAST DEFORMATION IN FEMTOSECOND LASER HEATING

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