Paper
28 October 1987 Quantitative Interpretation Of Holograms And Specklegrams
Ryszard J. Pryputniewicz
Author Affiliations +
Proceedings Volume 0699, Laser and Opto-Electronic Technology in Industry: State-of-the-Art Review; (1987) https://doi.org/10.1117/12.936922
Event: Laser and Opto-Electronic Technology in Industry: State of the Art Review, 1986, Xiamen, China
Abstract
Fundamentals of laser hologram interferometry and speckle metrology are reviewed with special emphasis on principles governing formation of fringe patterns and dependence of this phenomenon on object's motion and/or deformation. Processes relating to recording and reconstruction of holograms and specklegrams are discussed and are followed by presentation of procedures for their quantitative interpretation based on the method of projection matrices. Since there is a unique projection matrix for each hologram, or specklegram recorded from a different direction, each of the matrix equations relates the fringe parameters and recording geometry to the unknown deformation. Therefore, the resulting system of matrix equations can be solved for the unknown displacements, rotations, and strains.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ryszard J. Pryputniewicz "Quantitative Interpretation Of Holograms And Specklegrams", Proc. SPIE 0699, Laser and Opto-Electronic Technology in Industry: State-of-the-Art Review, (28 October 1987); https://doi.org/10.1117/12.936922
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