The use of partially coherent light to reduce the efficiency of silver halide noise gratings

The noise gratings recorded in a silver halide emulsion with one or two beams of either coherent or partially coherent light are the subject of this paper. The intensity transmitted through the plates when reconstruction is done with coherent light is measured, and using this intensity as a starting point the efficiency of noise gratings is determined. The experimental results we have obtained show that the efficiency of these scatter grating structures is less when holograms are recorded using partially coherent light than when coherent light is used