10 April 1995 Ecologically clean and raw-resources-saving technology using photonic purification of fibers
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Abstract
The elaborated technology of laseral optical pumping is successfully used for the purification of fibers from impurities. This is the novel and effective application of pulsed power. The higher powerful and technological advantages for purification of wool from vegetable impurities are presented in this paper. The aim of using light irradiation is almost complete cleaning of light wool from dark vegetable admixtures, dust and brand at the early steps (carding worsted blends) of technological process of producing fine yarns. Stabilizing all mechanical and chemical-technological processes following light radiation purification and increasing technical-economic parameters of production is achieved in this case as well. The physical essence of light irradiation wool cleaning is based upon different optical and thermal properties of light fibers on the one hand, and of dark admixtures-fractions of vegetable matter and burrs, dust and brand-on the other hand. The difference of coefficients of light irradiation by fibers and impurities is of great importance. The 500-1100 nm spectral range has a selective impact on the fibers and impurities.
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Boris E. Belyshev, Valentina A. Protasova, Andrey V. Shepelev, Yuri A. Kalinin, "Ecologically clean and raw-resources-saving technology using photonic purification of fibers", Proc. SPIE 2379, Solid State Lasers and Nonlinear Crystals, (10 April 1995); doi: 10.1117/12.206487; https://doi.org/10.1117/12.206487
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