Articolul precedent |
Articolul urmator |
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SM ISO690:2012 HÎRBU, Arefa, TOPALĂ, Pavel, OJEGOV, Alexandr. Secondary radiation in color optical filter glasses by the action of plasma. In: Advanced Materials Research, Ed. 2, 13-16 iulie 2014, Gliwice. Bäch: Trans Tech Publications Ltd, 2014, Vol. 1036, pp. 158-163. ISBN 978-303835255-6. ISSN 10226680. DOI: https://doi.org/10.4028/www.scientific.net/AMR.1036.158 |
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Advanced Materials Research Vol. 1036, 2014 |
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Conferința "Modern Technologies in Industrial Engineering II" 2, Gliwice, Polonia, 13-16 iulie 2014 | ||||||
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DOI:https://doi.org/10.4028/www.scientific.net/AMR.1036.158 | ||||||
Pag. 158-163 | ||||||
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This paper presents the results of experimental investigations and theoretical analysis of secondary physical phenomena that occur at interaction of electrical discharges in impulse (EDI) plasma radiation with color optical filter glasses. It was established that infrared filters (of type IKS) emit a violet secondary radiation, and dark filter (of type TS) emits a green secondary radiation. Detected phenomena can be explained by secondary radiation emission due to multi-photonic excitation of SiO2 molecules and direct-inverse translating from one energy level to another. One of the resonance oscillatory levels (of the absorption bands) for molecules of SiO2 is 780 cm-1. Thus, for infrared filters the number of absorbed infrared photons is 33, and for dark glasses is 24. In this case, the wave length of secondary radiation is 388.5 nm (violet color) and 534.2 nm (green color) respectfully. This phenomenon can be applied in construction of equipment functioning based on monochromatic light radiation. |
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Cuvinte-cheie Color optical filter glass, electrical discharges in impulse, Excited electronic states, Inverse electronic relaxation, Monochromatic light radiation, Multi-photonic excitation |
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