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Liquid-Crystal-Enabled Active Plasmonics: A Review.

Guangyuan Si1, Yanhui Zhao2, Eunice Sok Ping Leong3

  • 1College of Information Science and Engineering, Northeastern University, Shenyang 110004, Liaoning, China. siguang0323@hotmail.com.

Materials (Basel, Switzerland)
|August 10, 2017
PubMed
Summary
This summary is machine-generated.

Liquid crystals enable advanced active plasmonics for reconfigurable devices. This review covers liquid crystal-based plasmonic devices, highlighting their functionalities and driving methods for next-generation applications.

Keywords:
actively tunable deviceliquid crystalnanostructureplasmonics

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Area of Science:

  • Materials Science
  • Optics and Photonics
  • Nanoscience

Background:

  • Liquid crystals (LCs) offer unique properties like high birefringence and low-threshold switching, making them suitable for active plasmonics.
  • Plasmonics, the study of light-matter interactions at the nanoscale, benefits from LCs for creating dynamic optical devices.
  • Combining LCs with plasmonic nanostructures is key to developing reconfigurable and tunable optical systems.

Purpose of the Study:

  • To review recent advancements in the interdisciplinary field of liquid crystal-based plasmonics.
  • To explore the integration of liquid crystals with plasmonic nanostructures for next-generation reconfigurable devices.
  • To provide a comprehensive overview of active plasmonic devices enabled by liquid crystals.

Main Methods:

  • Literature review of interdisciplinary research combining liquid crystals and plasmonic nanostructures.
  • Categorization of active plasmonic devices based on their functionalities (e.g., switches, modulators, filters, absorbers).
  • Analysis of various driving methods employed for liquid crystal-based plasmonic devices.

Main Results:

  • Demonstration of various active plasmonic devices including switches, modulators, color filters, and absorbers.
  • Highlighting the tunability and reconfigurability of plasmonic devices through liquid crystal integration.
  • Showcasing the potential of liquid crystals for low-power, high-performance plasmonic applications.

Conclusions:

  • Liquid crystal-based plasmonics is a rapidly advancing field with significant potential for novel optical devices.
  • The combination of LCs and plasmonics facilitates the creation of next-generation reconfigurable and active optical systems.
  • This review serves as a foundational resource for new researchers and a reference for experienced scientists in the field.