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Updated: May 14, 2026

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
09:12

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Optical nanoantennas with tunable radiation patterns.

J Munárriz1, A V Malyshev, V A Malyshev

  • 1GISC, Departamento de Física de Materiales, Universidad Complutense, E-28040 Madrid, Spain. j.munarriz@fis.ucm.es

Nano Letters
|January 24, 2013
PubMed
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We developed new optical nanoantenna systems with tunable, highly directional radiation patterns. These systems control light beams by adjusting excitation parameters, offering a new tool for nano-optics and antenna design.

Area of Science:

  • Nanophotonics
  • Optical Engineering
  • Materials Science

Background:

  • Optical nanoantennas are crucial for manipulating light at the nanoscale.
  • Controlling radiation patterns is essential for applications in sensing, imaging, and communication.
  • Existing systems often lack tunability and precise control over directional emission.

Purpose of the Study:

  • To introduce novel optical nanoantenna systems with tunable, highly directional radiation patterns.
  • To demonstrate control over radiation characteristics by adjusting excitation parameters.
  • To provide analytical tools for the design and analysis of such nanoantennas.

Main Methods:

  • Utilizing a regular linear array of metal nanoparticles near a high dielectric contrast interface.

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Related Experiment Videos

Last Updated: May 14, 2026

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
09:12

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Optical Trapping of Nanoparticles
13:39

Optical Trapping of Nanoparticles

Published on: January 15, 2013

Fabrication and Operation of a Nano-Optical Conveyor Belt
11:10

Fabrication and Operation of a Nano-Optical Conveyor Belt

Published on: August 26, 2015

  • Investigating the effect of excitation polarization and incidence angles on the radiation pattern.
  • Analyzing the system's behavior under total internal reflection conditions.

    • Main Results:

    • Demonstrated tunable and highly directional radiation patterns from the nanoantenna system.
    • Showcased control over the light beam by varying excitation polarization and incidence angles.
    • Validated the system's operation as a nanoscopic radiation source converting plane waves into narrow beams.

    Conclusions:

    • The proposed optical nanoantenna system offers precise control over light emission characteristics.
    • Analytical formulas derived provide an excellent description and design tool for nanoantenna systems.
    • This work advances the development of tunable directional nanoantennas for advanced optical applications.