Interference patterns imaged by an optical system and registered by CCD camera are applied in automatic systems for surface shape and deformation measurements. The digital holographic registration of fringe patterns is proposed to avoid the influence of the optical imaging system. Theoretical relationships and numerical simulation results are presented.
Application of digital holography to interference pattern recognition
Optical Security and Safety ; 2003 ; Warsaw,Poland
Proc. SPIE ; 5566
2004-08-26
Conference paper
Electronic Resource
English
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