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Related Experiment Video

Updated: May 24, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
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Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

A stretch-tunable plasmonic structure with a polarization-dependent response.

Xiaolong Zhu1, Sanshui Xiao, Lei Shi

  • 1Department of Photonics Engineering, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark.

Optics Express
|March 16, 2012
PubMed
Summary
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Researchers created a stretchable plasmonic structure using gold semishells on PDMS. This tunable structure exhibits polarization-dependent resonance shifts, enabling applications in photonic devices.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optics

Background:

  • Plasmonic structures are crucial for optical device applications.
  • Tunable plasmonic properties are highly desirable for advanced photonic devices.
  • Existing tunable plasmonic structures often lack polarization-dependent control or mechanical flexibility.

Purpose of the Study:

  • To experimentally demonstrate a novel stretchable plasmonic structure.
  • To investigate the effect of mechanical strain on surface plasmon resonances.
  • To explore the potential for polarization-dependent tuning of plasmonic properties.

Main Methods:

  • Fabrication of a monolayer array of gold semishells with dielectric cores on a polydimethylsiloxane (PDMS) substrate using self-assembly and transfer-printing.

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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

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Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
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Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

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Related Experiment Videos

Last Updated: May 24, 2026

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters
10:54

Design, Fabrication, and Experimental Characterization of Plasmonic Photoconductive Terahertz Emitters

Published on: July 8, 2013

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
07:39

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

Published on: July 21, 2018

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
09:13

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

  • Experimental characterization of the plasmonic structure's optical response under uniaxial stretching.
  • Analysis of Bragg-type surface plasmon resonances and their frequency shifts.

    • Main Results:

    • Demonstration of a stretchable plasmonic structure supporting Bragg-type surface plasmon resonances.
    • Observation of lattice symmetry reconfiguration from hexagonal to monoclinic under 20% uniaxial strain.
    • Significant, polarization-dependent resonance frequency shifts: 200 THz to 191 THz (TM polarization) and 200 THz to 198 THz (TE polarization).

    Conclusions:

    • Lattice symmetry reconfiguration is an effective method for tuning surface plasmon resonance.
    • The developed structure offers polarization-dependent tunability within the standard telecommunication band.
    • This tunable plasmonic structure holds potential for applications in sensors, switches, and filters.