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

Gang Dai; Zhong-Hua Shen; Jian Lu; Xiao Wu Ni

doi:10.1117/12.756695

28 November 2007 Measurement of target deformation under laser shock with optical beam shading technique

Gang Dai, Zhong-Hua Shen, Jian Lu, Xiao Wu Ni

Proceedings Volume 6834, Optical Design and Testing III; 68342Z (2007) https://doi.org/10.1117/12.756695
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

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.

Citation Download Citation

Gang Dai, Zhong-Hua Shen, Jian Lu, and Xiao Wu Ni "Measurement of target deformation under laser shock with optical beam shading technique", Proc. SPIE 6834, Optical Design and Testing III, 68342Z (28 November 2007); https://doi.org/10.1117/12.756695

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