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Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
Published on: September 27, 2011
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Manipulating disordered plasmonic systems by external cavity with transition from broadband absorption to
Peng Mao1,2, Changxu Liu1,3, Fengqi Song4
1School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK.
Nature Communications
|March 27, 2020
Summary
Researchers developed tunable disordered plasmonic systems. These systems can switch between broadband absorption and controllable reflection, opening new avenues for light manipulation and applications like structural color patterning.
Area of Science:
- * Physics and Materials Science: Focuses on disordered nanostructures and plasmonics.
Background:
- * Disordered biostructures in nature exhibit broadband optical properties, influencing color and robustness.
- * Artificial disordered nanostructures offer unique light manipulation capabilities but lack tunable broadband responses.
Purpose of the Study:
- * To explore and achieve controlled manipulation of disordered plasmonic systems.
- * To enable the transition from broadband absorption to tunable reflection in these systems.
Main Methods:
- * Utilized a generalized model for disordered systems.
- * Engineered disordered plasmonic nanoclusters.
- * Controlled coupling to an external cavity to tune optical response.
Main Results:
- * Demonstrated the ability to transition disordered plasmonic systems from broadband absorption to tunable reflection.
- * Achieved reconfigurable reflection bands across the visible spectrum.
- * Validated the findings with engineered plasmonic nanocluster systems.
Conclusions:
- * Successfully manipulated disordered plasmonic systems for tunable optical responses.
- * The study advances the understanding of the physics of disorder.
- * Presents a novel platform for applications like structural color patterning.
