FIELD: optical instruments. SUBSTANCE: device has crystal colloid circuit of charge particles which is located in polymer gel film. Said polymer has copolymer of acrylamide or mix of copolymer of acrylamide with water solution of co-monomer and binding agent. NN- methylenebisacrylamide is used as binding agent, water-soluble co- monomer may amount to less than 70 weight percents of total weight of acrylamide and water-soluble co-monomer, which may contain vinylpyrolydone and ether of ethoxymethacrylic acid. In addition gel may contain monosaccharide, monohydric alcohol or their mix. EFFECT: increased functional capabilities. 8 cl, 5 dwg
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