Measurement of target deformation under laser shock with optical beam shading technique

机译：利用光束遮蔽技术测量激光冲击下的目标变形

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A new sensor based on optical beam shading technique for the investigation of mechanical effects during laser-metal interaction is developed. This sensor is applied to detect the laser-induced plasma explosive impact and deformation process during the explosion when a Q-switched laser is focused on a metal. The experimental results indicate that elastic deformation and plastic deformation associated with the event induced by laser plasma the same time. This technique has the advantages of high-frequency response, simple structure, and nondestructive examination.

机译：开发了一种基于光束遮蔽技术的新型传感器，用于研究激光与金属相互作用期间的机械效应。当将Q开关激光器聚焦在金属上时，此传感器用于检测爆炸过程中激光诱导的等离子体爆炸冲击和变形过程。实验结果表明，弹性变形和塑性变形与激光等离子体引起的事件同时发生。该技术具有高频响应，结构简单和无损检测的优点。

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来源
《Conference on Optical Design and Testing; 20071112-15; Beijing(CN)》|2007年|P.iv|共2页
会议地点 Beijing(CN)
作者
Gang Dai; Zhong-Hua Shen; Jian Lu; Xiao Wu Ni;
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作者单位

Department of Applied Physics, Nanjing University of Science Technology, Nanjing 210094;

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会议组织
原文格式 PDF
正文语种 eng
中图分类制造工艺;仪表加工及仪表机床;
关键词
laser-metal interaction; deformation; measurement;

机译：激光-金属相互作用;变形;测量;

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1. SINGLE-BEAM DIODE-LASER TECHNIQUE FOR OPTICAL PATH-LENGTH MEASUREMENTS [J] . Carlisle CB., Riris H., Warren RE. Applied optics . 1996,第22期

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3. Measurement Methods for the d_(33) Coefficient of PZT Thin Films on Silicon Substrates: A Comparison of Double-Beam Laser Interferometer (DBI) and Single-Beam Laser Vibrometer (LDV) Techniques [J] . MAREK POKORNY, MIROSLAV SULC, ROMAIN HERDIER Ferroelectrics: Letters Section . 2007,第1期

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机译：光束遮阳技术激光冲击下目标变形的测量
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Measurement of target deformation under laser shock with optical beam shading technique

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