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Optical Materials Express focus issue: Nanoplasmonics and metamaterials
Date:9/22/2011

als research the past few years. As such, we put together this special issue now to address these advances and highlight the future of this dynamic field."

Summary

Nanoplasmonics studies the optical properties of nanoscale systems supporting surface plasmons, and gained a lot of attention after the discovery of surface-enhanced Raman scattering (SERS) in the 1970s. Benefiting from recent advances in nanofabrication techniques, research in nanoplasmonics has recently been very successful in using noble metal (especially silver and gold) nanostructures to control light fields well beyond the limit of diffraction. Such control has already contributed to enhanced light interaction with tiny amounts of matter down to the single-molecular level.

In the field of metamaterials, researchers aim at designing ensembles of sub-wavelength units that behave as effective materials featuring properties that are not found in nature. Artificial materials have recently regained a huge interest triggered by provocative theoretical proposals such as superlensing and invisibility at optical frequencies, as well as the successful experimental demonstration of negative refraction.

Key Findings & Select Papers

  • In the fields of plasmonics and plasmonic metamaterials, reduction in metal losses is important and crucial for potential applications. It will bring the technology from the proof-of-principle research to system-qualified development. In their paper, Purdue University researchers Naik, Kim and Boltasseva explore the use of alternative materials such as conducting oxides and transition-metal nitrides that feature lower intrinsic absorption than conventional plasmonic metals. Paper: "Oxides and nitrides as alternative plasmonic materials in the optical range," Optical Materials Express, Vol. 1, Issue 6, pp. 1090-1099. http://www.opticsinfobase.org
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  • Contact: Angela Stark
    astark@osa.org
    202-416-1443
    Optical Society of America
    Source:Eurekalert

    Page: 1 2 3 4

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