Change in the optical properties of paper when exposed to the magnetic component of a high-frequency electromagnetic field |
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Authors: | V. V. Azharonok I. I. Filatova I. V. Voshchula V. A. Dlugunovich O. V. Tsaryuk T. N. Gorzhanova |
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Affiliation: | (1) Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, 70 prosp. Nezavisimosti, Minsk, 220072;(2) B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk;(3) Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus, Minsk |
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Abstract: | We have used laser Stokes polarimetry to study changes in the structure of paper for offset printing when exposed to a high-frequency electromagnetic field. We have shown that the effect of a high-frequency electromagnetic field on paper appears as a decrease in the structural ordering of the material and a change in the shape of the indicatrix of the reflected radiation power from an He-Ne laser at the wavelength 632.8 nm, a decrease in the bidirectional reflection and transmission coefficients of the paper. We have established that when the force lines of the magnetic component of the high-frequency electromagnetic field are oriented perpendicular to the plane of the sheet of paper, we observe a more substantial decrease in the anisotropy in the surface layer and within the interior (the volume) of the paper than when the lines of force are oriented parallel to the plane of the paper. __________ Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 74, No. 4, pp. 421–426, July–August, 2007. |
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Keywords: | high-frequency electromagnetic field paper cellulose bidirectional reflection coefficient bidirectional transmission coefficient indicatrix of reflected radiation power degree of polarization He-Ne laser |
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