14 December 1988 Determination Of Absolute Fringe Order In Hologram Interferometry With Wavelength Controlled Lasers
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Proceedings Volume 0955, Industrial Laser Interferometry II; (1988) https://doi.org/10.1117/12.947679
Event: SPIE International Symposium on Optical Engineering and Industrial Sensing for Advance Manufacturing Technologies, 1988, Dearborn, MI, United States
Abstract
One problem in the quantitative evaluation of holographic interferograms is to measure the absolute fringe order and not only the relative one. This relative fringe order can be measured with high accuracy by means of methods like heterodyning or phase shifting. To get the absolute value a method using two different wavelength to perform the interferograms. The mathematical treatment and an experimental application is reported.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Werner P. O. Juptner, Thomas Kreis, Jurgen Geldmacher, "Determination Of Absolute Fringe Order In Hologram Interferometry With Wavelength Controlled Lasers", Proc. SPIE 0955, Industrial Laser Interferometry II, (14 December 1988); doi: 10.1117/12.947679; https://doi.org/10.1117/12.947679
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