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 SM ISO690:2012POPESCU, Aurelian, SAVASTRU, Dan, BAŞCHIR, Laurenţiu V., VERLAN, Victor, BORDIAN, Olga, STAFE, Mihai, PUŞCAŞ, Niculae Tiberiu N.. Surface plasmon resonance in As2se3 planar waveguides for the IR spectral region. In: Chalcogenide Letters, 2020, nr. 3(17), pp. 117-122. ISSN 1584-8663. |
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  Chalcogenide Letters |
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| Numărul 3(17) / 2020 / ISSN 1584-8663 | ||||||
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| Pag. 117-122 | ||||||
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The surface plasmon resonance (SPR) four layers configuration that contains prism of BK7-gold metal film-As2Se3 waveguide-air was realized. As2Se3 thin films with low roughness were obtained by thermal evaporation using cvasi-closed evaporator. The surface roughness’s was less than 2.5 nm. The SPR curves shape calculated by MATLAB solver were identical to these one calculated by matrix method. The As2Se3 films were characterized by ellipsometric spectroscopy and the obtained optical constants were used for calculations. Experimentally obtained SPR curves at the 1064 nm wavelength shown sharp resonance and are in accordance with calculus. |
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