红宝石脉冲激光动态光力学方法研究与进展  

Investigation and progress of Dynamic Photomechanics Measurement Based on Ruby Pulse Laser

作　　者：佟景伟[1] 李鸿琦[1] 王世斌[1] 张东升[1] 李林安[1] 

机构地区：[1]天津大学力学系,天津300072

出　　处：《实验力学》2011年第5期518-531,共14页Journal of Experimental Mechanics

摘　　要：本文提出了瞬态图像采集技术和电磁脉冲加载装置。应用红宝石脉冲激光光源,介绍了动态全息光弹性、动态散斑干涉、动态云纹干涉、水下爆炸全息干涉、动态电子散斑干涉和动态数字散斑相关等多种方法的测试原理和测试技术。为动态位移场、应变场和应力场的定量分析提供了广泛的应用前景。Technique of instantaneous image grabbing and an electromagnetic pulse loading instrument are presented in this paper. Utilizing pulse ruby laser, the principle and measuring technique of the dynamic holographic photoelasticity, the dynamic speckle interferometry, the dynamic Moire interferometry, the holographic interferometry of underwater explosion, the dynamic electronic speckle pattern interferometry and the dynamic digital speckle correlation methods are introduced, respectively. It shows extensive application prospect in quantitative analysis of dynamic displacement field, strain field and stress field.

关 键 词：红宝石脉冲激光 瞬态图像采集技术 电磁脉冲加载装置 动态光力学 

分 类 号：O348.1[理学—固体力学]