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Absorption and polarization based on metastructures: a review.

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Metamaterials (MSs) offer advanced electromagnetic properties for better absorbers and polarization converters (PCs). This review covers their development, reconfigurable techniques, and future applications in diverse fields.

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Area of Science:

  • Electromagnetics
  • Materials Science
  • Nanotechnology

Background:

  • Metamaterials (MSs) are engineered materials with unique electromagnetic properties not found in nature.
  • Traditional absorbers and polarization converters (PCs) face limitations like narrow bandwidth and angle sensitivity.
  • MSs offer solutions to these limitations, enabling enhanced performance and novel functionalities.

Purpose of the Study:

  • To review the advancements in metamaterial-based absorbers and polarization converters.
  • To discuss reconfigurable techniques and performance optimization strategies for MS devices.
  • To explore potential applications and future research directions in MS-based electromagnetic devices.

Main Methods:

  • Review of existing literature on metamaterial-based absorbers and polarization converters.
  • Analysis of reconfigurable techniques and performance optimization methods.
  • Discussion of current research trends and future prospects.

Main Results:

  • Metamaterials have significantly improved the performance of absorbers and PCs, overcoming limitations of conventional devices.
  • Various reconfigurable techniques and optimization strategies have been developed for MS-based devices.
  • MSs demonstrate broad applicability in fields such as military, communications, and medicine.

Conclusions:

  • Metamaterial-based absorbers and polarization converters represent a significant advancement in electromagnetic applications.
  • Continued research into reconfigurable techniques and performance optimization will unlock further potential.
  • The future prospects for MSs in diverse scientific and technological domains are extensive.