УДК: 535-31, 535-41, 535.421

Properties of holographic structures on dichromated gelatin subjected to ultraviolet radiation

Ganzherli, N.M., Gulyaev, S.N., Maurer, I.A.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Ганжерли Н.М., Гуляев С.Н., Маурер И.А. Свойства голографических структур на бихромированном желатине, подвергнутых воздействию ультрафиолетового излучения // Оптический журнал. 2017. Т. 84. № 9. С. 49–53.

Ganzherli N.M., Gulyaev S.N., Maurer I.A. Properties of holographic structures on dichromated gelatin subjected to ultraviolet radiation [in Russian] // Opticheskii Zhurnal. 2017. V. 84. № 9. P. 49–53.

For citation (Journal of Optical Technology):

N. M. Ganzherli, S. N. Gulyaev, and I. A. Maurer, "Properties of holographic structures on dichromated gelatin subjected to ultraviolet radiation," Journal of Optical Technology. 84(9), 617-620 (2017). https://doi.org/10.1364/JOT.84.000617

Abstract:

The results of experiments on the effect of ultraviolet (UV) radiation with a wavelength of less than 250–270 nm on holographic structures recorded on dichromated gelatin (DCG) layers are presented. A tenfold increase in the height of the surface relief and an increase in the diffraction efficiency of the gratings to approximately 30% over a wide range of thicknesses of DCG layers—1 to 80 μm—are obtained. The experiments show that the main cause of the formation of the surface relief is the variable tanning of the layer, which occurs when the interference pattern is recorded with coherent radiation at a wavelength of 0.44 μm and serves as a factor that modulates the impact of UV radiation.

Keywords:

holographic structures, surface relief, silver halide photoemulsions, dichromated gelatin, diffraction efficiency, photochemical process, photolysis, variable tanning, UV radiation

OCIS codes: 050.1950, 090.0090, 090.2890, 090.2900, 240.5770, 260.7190, 350.5130

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