SURFACE PLASMON RESONANCE IN As2Se3 PLANAR WAVEGUIDES FOR THE IR SPECTRAL REGION

National R&D Institute for Optoelectronics, INOE 2000, 409 Atomistilor str., PO BOX MG. 5, 77125 Magurele, Ilfov, Romania; A. A. POPESCU; D. SAVASTRU; National R&D Institute for Optoelectronics, INOE 2000, 409 Atomistilor str., PO BOX MG. 5, 77125 Magurele, Ilfov, Romania; L. BASCHIR; National R&D Institute for Optoelectronics, INOE 2000, 409 Atomistilor str., PO BOX MG. 5, 77125 Magurele, Ilfov, Romania; V. V. VERLAN; Institute of Applied Physics, Academy of Sciences of Moldova, 5 Academiei str. Chisinau, MD-2028, R. of Moldova; O. BORDIAN; Institute of Applied Physics, Academy of Sciences of Moldova, 5 Academiei str. Chisinau, MD-2028, R. of Moldova; M. STAFE; Department of Physics, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania; N. PUSCAS; Department of Physics, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania

doi:10.15251/cl.2020.173.117

journal article·2020-03Open access

SURFACE PLASMON RESONANCE IN As2Se3 PLANAR WAVEGUIDES FOR THE IR SPECTRAL REGION

National R&D Institute for Optoelectronics, INOE 2000, 409 Atomistilor str., PO BOX MG. 5, 77125 Magurele, Ilfov, Romania, A. A. POPESCU, D. SAVASTRU, National R&D Institute for Optoelectronics, INOE 2000, 409 Atomistilor str., PO BOX MG. 5, 77125 Magurele, Ilfov, Romania, L. BASCHIR, National R&D Institute for Optoelectronics, INOE 2000, 409 Atomistilor str., PO BOX MG. 5, 77125 Magurele, Ilfov, Romania, V. V. VERLAN, Institute of Applied Physics, Academy of Sciences of Moldova, 5 Academiei str. Chisinau, MD-2028, R. of Moldova, O. BORDIAN, Institute of Applied Physics, Academy of Sciences of Moldova, 5 Academiei str. Chisinau, MD-2028, R. of Moldova, M. STAFE, Department of Physics, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania, N. PUSCAS, Department of Physics, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania

Chalcogenide Letters· Volume 17· Issue 3

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Source abstract

Abstract

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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Research context

OpenAlex topics: Optical Polarization and Ellipsometry · Gold and Silver Nanoparticles Synthesis and Applications

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