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The efficiency of diffuse-objects holograms recorded in bleached silver halide emulsion is analyzed as a function of the polarization state of the readout wave. An important source of noise founded in these holograms, when they are processed with rehalogenating bleaches, are noise gratings which are very sensitive to polarization. The dependence of signal-to-noise ratio on the relative polarization between the construction and reconstruction beam is showed too. Experimental results are presented which permit to choose the better conditions of reconstruction of this holograms.Part of this work was supported by the "Direcció General d'Ensenyaments Universitaris i Investigació", Generalitat Valenciana, Spain (project GV-1165/93)

<title>Polarization influence on the signal-to-noise ratio in bleached silver halide diffused-object holograms</title>