Vol. 20, issue 04, article # 10
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Abstract:
The sensitivity of a holographic interferometer to transversal or longitudinal displacements of a plane surface, diffusely scattering the light, is analyzed. It is shown that interference patterns are located in the hologram plane and in the far diffraction zone. To record these patterns, spatial filtering of the diffraction field is needed. Experimental results obtained are in a good agreement with theoretical arguments.