The methods and special techniques of classic and holographic Mach–Zehnder reference beam and shearing interferometry that were presented in this text may successfully solve diverse physical and engineering problems arising during aerodynamic wind tunnel testing and optical diagnostics of the processes of laser–matter interaction, etc. The digital approach supplements methods of optical holographic interferometry and allows obtaining digital reconstructed interferograms without wet-chemical processing of photo materials.
A Mach–Zehnder approach demonstrates a relatively high spatial resolution (≈10 to 20 μm), depending on spatial and contrast characteristics of photographic films or CCD/CMOS sensors and imaging objective lenses, ...
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