Laser-ablative engineering of phase singularities in plasmonic metamaterial arrays for biosensing applications

Research output: Contribution to journal › Article › Research › peer review

Authors

  • Andrey I. Aristov
  • Urs Zywietz
  • Andrey B. Evlyukhin
  • Carsten Reinhardt
  • Boris N. Chichkov
  • Andrei V. Kabashin

External Research Organisations

  • Universite d'Aix-Marseille
  • Laser Zentrum Hannover e.V. (LZH)
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Details

Original languageEnglish
Article number071101
JournalApplied physics letters
Volume104
Issue number7
Publication statusPublished - 17 Feb 2014
Externally publishedYes

Abstract

By using methods of laser-induced transfer combined with nanoparticle lithography, we design and fabricate large-area gold nanoparticle-based metamaterial arrays exhibiting extreme Heaviside-like phase jumps in reflected light due to a strong diffractive coupling of localized plasmons. When employed in sensing schemes, these phase singularities provide the sensitivity of 5 × 104 deg. of phase shift per refractive index unit change that is comparable with best values reported for plasmonic biosensors. The implementation of sensor platforms on the basis of such metamaterial arrays promises a drastic improvement of sensitivity and cost efficiency of plasmonic biosensing devices.

ASJC Scopus subject areas

Cite this

Laser-ablative engineering of phase singularities in plasmonic metamaterial arrays for biosensing applications. / Aristov, Andrey I.; Zywietz, Urs; Evlyukhin, Andrey B. et al.
In: Applied physics letters, Vol. 104, No. 7, 071101, 17.02.2014.

Research output: Contribution to journal › Article › Research › peer review

Aristov, AI, Zywietz, U, Evlyukhin, AB, Reinhardt, C, Chichkov, BN & Kabashin, AV 2014, 'Laser-ablative engineering of phase singularities in plasmonic metamaterial arrays for biosensing applications', Applied physics letters, vol. 104, no. 7, 071101. https://doi.org/10.1063/1.4865553
Aristov, A. I., Zywietz, U., Evlyukhin, A. B., Reinhardt, C., Chichkov, B. N., & Kabashin, A. V. (2014). Laser-ablative engineering of phase singularities in plasmonic metamaterial arrays for biosensing applications. Applied physics letters, 104(7), Article 071101. https://doi.org/10.1063/1.4865553
Aristov AI, Zywietz U, Evlyukhin AB, Reinhardt C, Chichkov BN, Kabashin AV. Laser-ablative engineering of phase singularities in plasmonic metamaterial arrays for biosensing applications. Applied physics letters. 2014 Feb 17;104(7):071101. doi: 10.1063/1.4865553
Aristov, Andrey I. ; Zywietz, Urs ; Evlyukhin, Andrey B. et al. / Laser-ablative engineering of phase singularities in plasmonic metamaterial arrays for biosensing applications. In: Applied physics letters. 2014 ; Vol. 104, No. 7.
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