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Related Experiment Video

Updated: Jun 29, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
07:20

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Published on: September 5, 2017

Plasmonic nanocomposite helices for weather-adaptive LiDAR function.

JuHyeong Lee1, Gyurin Kim1, Doeun Kim1

  • 1Department of Electrical Engineering and Computer Science, Gwangju Institute of Science and Technology (GIST), Gwangju, Republic of Korea.

Nature Communications
|June 27, 2026
PubMed
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This summary is machine-generated.

This study introduces bioinspired nanohelices that efficiently clear water droplets from surfaces. This technology ensures reliable light detection and ranging (LiDAR) sensor performance in various weather conditions.

Area of Science:

  • Materials Science
  • Optics
  • Nanotechnology

Background:

  • Light detection and ranging (LiDAR) systems face performance degradation due to water droplets on protective covers.
  • Macroscopic raindrops cause signal distortion via refraction and diffraction.
  • Microscopic fog condensation leads to light scattering, compromising LiDAR accuracy.

Purpose of the Study:

  • To develop a novel strategy for clearing multiscale water droplets from surfaces.
  • To enhance the reliability and robustness of LiDAR sensors in adverse weather conditions.
  • To create a bioinspired solution mimicking natural water-repellent mechanisms.

Main Methods:

  • Fabrication of plasmonic nanocomposite helices using copper nanoparticles embedded in 3D silica nanohelices via glancing angle co-deposition.

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Last Updated: Jun 29, 2026

Trapping of Micro Particles in Nanoplasmonic Optical Lattice
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Published on: September 5, 2017

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

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Published on: April 4, 2017

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09:29

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

  • Utilizing visible-light plasmonic heating from copper nanoparticles for antifogging.
  • Incorporating hierarchical roughness in the helical architecture for hydrophobic water repellence.
  • Testing LiDAR transmission through the treated surfaces under simulated and natural rainfall conditions.

    • Main Results:

    • The plasmonic nanohelices demonstrated passive photothermal antifogging and pressure-stable hydrophobic water repellence.
    • A surface temperature rise of 9.3°C under 1 sun illumination cleared condensation within 6 seconds.
    • LiDAR transmission remained at 100% through the nanohelices during natural rainfall, while bare glass transmission dropped to 70% within 5 minutes.
    • The developed surface maintained >85% transmittance at 905 nm, crucial for LiDAR operation.

    Conclusions:

    • The bioinspired plasmonic nanohelices offer an effective solution for multiscale droplet clearance.
    • This technology significantly improves LiDAR performance and reliability in challenging weather.
    • The findings pave the way for robust autonomous sensing systems adaptable to various environmental conditions.