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Brief Communications

Influence of a pulsed magnetic field on the silver halide photographic process

D. R. Frolov, A. P. Boychenko

Kuban State University, Krasnodar

Abstract: Imaging in Russian and foreign silver halide photographic materials exposed to light or a gas discharge under the influence of a pulsed magnetic field is studied. It is shown that a single 0.12-s-long 4.2 kOe pulse of the magnetic field (magnetic pulse) synchronized with a light flash considerably improves the photosensitivity of the materials, while not influencing it in the absence of the flash. The pre-exposure of the asprepared photomaterials and the materials after 8-year aging to a series of 250 magnetic pulses with the above parameters deteriorates the gas-discharge sensitivity of the former and raises the sensitivity of the latter.

Received: 18.08.2011

 English version: Technical Physics, 2012, 57:4, 569–571

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