Determination Of Absolute Fringe Order In Hologram Interferometry With Wavelength Controlled Lasers

Werner P. O. Juptner; Thomas Kreis; Jurgen Geldmacher

doi:10.1117/12.947679

14 December 1988 Determination Of Absolute Fringe Order In Hologram Interferometry With Wavelength Controlled Lasers

Werner P. O. Juptner, Thomas Kreis, Jurgen Geldmacher

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.

Citation Download Citation

Werner P. O. Juptner, Thomas Kreis, and Jurgen Geldmacher "Determination Of Absolute Fringe Order In Hologram Interferometry With Wavelength Controlled Lasers", Proc. SPIE 0955, Industrial Laser Interferometry II, (14 December 1988); https://doi.org/10.1117/12.947679

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