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Proceedings Paper

Determination Of Absolute Fringe Order In Hologram Interferometry With Wavelength Controlled Lasers
Author(s): Werner P. O. Juptner; Thomas Kreis; Jurgen Geldmacher
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Paper 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.

Paper Details

Date Published: 14 December 1988
PDF: 4 pages
Proc. SPIE 0955, Industrial Laser Interferometry II, (14 December 1988); doi: 10.1117/12.947679
Show Author Affiliations
Werner P. O. Juptner, BIAS (Germany)
Thomas Kreis, BIAS (Germany)
Jurgen Geldmacher, BIAS (Germany)

Published in SPIE Proceedings Vol. 0955:
Industrial Laser Interferometry II
Y.Y. Hung; Ryszard J. Pryputniewicz, Editor(s)

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