<p>We have experimentally examined the effect of surface lattice resonance in two dimensional plasmonic structure onto the laser induced fluorescence. For this purpose, we fabricated primary sample by soft nanolithography onto the polydimethylsiloxane and cover it by gold thin layer by the aid of sputtering machine. The host medium of the dye achieved by spin coating of the Rh6G over the two dimensional plasmonic sample. We recorded the spectral response of the multilayer sample as the fluorescence signal by spectrometer in all of the visible region under four different pump intensities. Our results indicate that the localized electric field due to surface lattice resonance as well as exciton of the dye medium can couple together to reach the plexciton and thus plasmon enhance laser induced fluorescence takes place which can be helpful as new substrate in this area for visible region.</p>

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Laser induced fluorescence enhancement by surface lattice resonance in two dimensional plasmonic nanostructure

  • Noor D. Abdulameer,
  • N. S. Shnan,
  • Lazem Hassan Aboud,
  • S. M. Hamidi

摘要

We have experimentally examined the effect of surface lattice resonance in two dimensional plasmonic structure onto the laser induced fluorescence. For this purpose, we fabricated primary sample by soft nanolithography onto the polydimethylsiloxane and cover it by gold thin layer by the aid of sputtering machine. The host medium of the dye achieved by spin coating of the Rh6G over the two dimensional plasmonic sample. We recorded the spectral response of the multilayer sample as the fluorescence signal by spectrometer in all of the visible region under four different pump intensities. Our results indicate that the localized electric field due to surface lattice resonance as well as exciton of the dye medium can couple together to reach the plexciton and thus plasmon enhance laser induced fluorescence takes place which can be helpful as new substrate in this area for visible region.