Abstract
The possibility of applying surface-enhanced Raman scattering (RS) for amplification of RS intensity in gaseous media is investigated. A more than sixfold enhancement of the RS signal is detected experimentally from the main atmospheric air components during interaction of continuous-wave laser radiation with a holographic aluminum diffraction grating. The averaged value of the RS signals’ amplification factor in the near-surface 30-nm-thick layer at the boundary between the diffraction grating and gaseous medium amounted to ~3 × 103.
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Original Russian Text © D.V. Petrov, D.O. Sedinkin, A.R. Zaripov, 2016, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2016, Vol. 42, No. 21, pp. 55–61.
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Petrov, D.V., Sedinkin, D.O. & Zaripov, A.R. Enhancement of Raman scattering signals from gaseous medium near the surface of a holographic aluminum diffraction grating. Tech. Phys. Lett. 42, 1087–1089 (2016). https://doi.org/10.1134/S1063785016110055
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DOI: https://doi.org/10.1134/S1063785016110055