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This review explores Matryoshka-like geometries in planar printed structures, combining nesting principles with printed technology for miniaturized, multi-resonance, and wideband microwave devices. Applications include frequency-selective surfaces, filters, antennas, and sensors.

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Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Metamaterials

Background:

  • Planar printed structures offer advantages in fabrication and integration.
  • Matryoshka-like geometries, inspired by nested dolls, enable complex electromagnetic responses.
  • Miniaturization and multi-functionality are key challenges in microwave device design.

Purpose of the Study:

  • To review planar printed structures utilizing Matryoshka-like geometries.
  • To explore the design principles and working mechanisms of these structures.
  • To highlight their applications in microwave engineering.

Main Methods:

  • Review of existing literature on Matryoshka-inspired planar printed structures.
  • Analysis of both metallic and complementary slot structures.
  • Investigation of closed and open configurations for electromagnetic behavior.

Main Results:

  • Matryoshka geometries combined with planar printing yield miniaturized, multi-resonance, and wideband devices.
  • Both metal and slot-based structures demonstrate effective performance.
  • The review covers applications in frequency-selective surfaces, filters, antennas, and sensors.

Conclusions:

  • Matryoshka-like planar printed structures offer a versatile platform for advanced microwave applications.
  • These structures provide a pathway to low-cost, single-layer, and high-performance devices.
  • Future research can explore novel applications and further optimization of these geometries.