Study of Phase-shifting Techniques in Digital Speckle Pattern Interferometry for Deformation Measurement

2010 ◽  
Author(s):  
G. Q. Gu ◽  
K. F. Wang ◽  
Pramod K. Rastogi ◽  
Erwin Hack
Keyword(s):  
Speckle Pattern ◽  
Deformation Measurement ◽  
Phase Shifting ◽  
Digital Speckle Pattern Interferometry ◽  
Digital Speckle

Synchronous Measurement of Three-Dimensional Deformations Using Tri-Channel Spatial-Carrier Digital Speckle Pattern Interferometry

2017 ◽  
Vol 868 ◽  
pp. 316-322 ◽  
Author(s):  
Yao Fang ◽  
Si Jin Wu ◽  
Lian Xiang Yang
Keyword(s):  
Speckle Pattern ◽  
Three Dimensional ◽  
Deformation Measurement ◽  
Phase Shifting ◽  
Full Field ◽  
Digital Speckle Pattern Interferometry ◽  
Rapid Measurement ◽  
Optical Arrangement ◽  
Digital Speckle ◽  
Synchronous Measurement

Spatial-carrier digital speckle pattern interferometry (SC-DSPI) has proven to be a competitive tool for full-field deformation measurement. Comparing with traditional phase-shifting digital speckle pattern interferometry, SC-DSPI has the advantage of rapid measurement which guarantees that dynamic deformations can be precisely measured. In this article, a tri-channel SC-DSPI that measures three-dimensional deformations synchronously is introduced. Measuring algorithm as well as optical arrangement is described in detail. Experiments are carried out to verify the validity and evaluate the performance of the proposed technique.

Spatial carrier color digital speckle pattern interferometry for absolute three-dimensional deformation measurement

2017 ◽  
Vol 56 (6) ◽  
pp. 066107 ◽  
Author(s):  
Xinya Gao ◽  
Yonghong Wang ◽  
Junrui Li ◽  
Xizuo Dan ◽  
Sijin Wu ◽  
...  
Keyword(s):  
Speckle Pattern ◽  
Three Dimensional ◽  
Deformation Measurement ◽  
Digital Speckle Pattern Interferometry ◽  
Digital Speckle

Digital Speckle Pattern Interferometry for Deformation Measurement

2010 ◽  
Vol 39 (s1) ◽  
pp. 19-22 ◽  
Author(s):  
董会 DONG Hui ◽  
周岩 ZHOU Yan ◽  
郭俊 GUO Jun ◽  
张婉怡 ZHANG Wan-yi ◽  
王文生 WANG Wen-sheng
Keyword(s):  
Speckle Pattern ◽  
Deformation Measurement ◽  
Digital Speckle Pattern Interferometry ◽  
Digital Speckle
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