11 October 2005 Theory and practice of two-beam interferogram modulation determination
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Abstract
Two-beam interferometry enables information coding in the shape/orientation and contrast/intensity modulation of the fringes. There exists an abundant literature on decoding the interferogram phase whereas there are only a few studies dealing with the second type carrier decoding. This paper is focused on the two-beam interferogram intensity modulation analysis using temporal phase shifting. The influences of most important experimental errors are studied using computer simulations and laboratory works. Null and finite-fringe detection modes are compared. Phase-shift histograms and their lattice-site representations are investigated to aid the experimental error identification.
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Krzysztof Patorski, Krzysztof Patorski, Adam Styk, Adam Styk, } "Theory and practice of two-beam interferogram modulation determination", Proc. SPIE 5958, Lasers and Applications, 59580H (11 October 2005); doi: 10.1117/12.622171; https://doi.org/10.1117/12.622171
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