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Design and experiment of electronic speckle shearing phase-shifting pattern interferometer

Design and experiment of electronic speckle shearing phase-shifting pattern interferometer

作     者:XU Tian-hua, JING Chao, JING Wen-cai, ZHANG Hong-xia, JIA Da-gong, and ZHANG Yi-mo College of Precision Instrument & Optoelectronics Engineering, National Education ministry Key Laboratory of Opto- electronics Information and Technical Science, Tianjin University, Tianjin 300072, China 

作者机构:College of Precision Instrument & Optoelectronics Engineering National Education ministry Key Laboratory of Optoelectronics Information and Technical Science Tianjin University Tianjin China 

出 版 物:《Optoelectronics Letters》 (光电子快报(英文版))

年 卷 期:2008年第4卷第1期

页      面:59-61页

核心收录:

学科分类:080901[工学-物理电子学] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 0803[工学-光学工程] 

基  金:This work has been supported by the National Natural ScienceFund of China( No. 60577013) program for New CenturyExcellent Talents in University, Ministry of Education, China 

主  题:电子相移模式干涉仪 设计 实验研究 迈克逊干涉计 

摘      要:An electronic speckle shearing phase-shifting pattern interferometer (ESSPPI) based on Michelson interferometer was based in this paper. A rotatable mirror driven by a step motor in one of its reflective arm is used to generate an adjustable shearing and the mirror driven by piezoelectric transducer (PZT) in the other reflective arm was used to realize phase- shifting. In the experiments, the deformation of an aluminum plate with the same extern-force on different positions and different forces on the same position is measured. Meanwhile, the phase distribution and phase-unwrap image of the aluminum plate with the extern-force on its center position is obtained by the four-step phase-shifting method.

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