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This chapter explores the design and implementation ofPolarization converters broadbandBroadband polarizationPolarization converters based on anisotropic metasurfacesMetasurface, suitable for applications ranging from microwaveMicrowave to optical regimes. The proposed H-shaped, single-layered, linear-cross reflective polarizer demonstrates good angular stabilityAngular stability and effective reflectionReflection properties, validated with CP antennasAntennas. The design reduces RCSRadar cross-section significantly across broad frequencyFrequency bands. An innovative asymmetric meander-line metasurface is introduced, achieving a 90% PolarizationPolarization Conversion Ratio (PCR) from 18.31 GHz to 38.95 GHz, with minimal bandwidthBandwidth reduction at greater oblique angles. The Interdigital CapacitanceCapacitanceInterdigital capacitances (IDC) FSS-based linear-cross reflective polarizer covers K- and Ka-bands, offering dual-polarization conversion with exceptional angular stabilityAngular stability. Additionally, a novel broadbandBroadband linear-circular and linear-cross polarizerLinear-cross polarizers functions in both reflection and transmissionTransmission modes, showcasing high efficiencyEfficiency and stable performance. The comprehensive study highlights the converters’ compact design, multibandMultiband functionality, and potential for real-time applications in advanced communicationCommunication systems.

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Broadband Polarization Converters

  • 章节

  • 发表日期：

    2026年

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  • Sukomal Dey,
  • Mohammad Abdul Shukoor,
  • Shiban Kishen Koul

摘要

This chapter explores the design and implementation ofPolarization converters broadbandBroadband polarizationPolarization converters based on anisotropic metasurfacesMetasurface, suitable for applications ranging from microwaveMicrowave to optical regimes. The proposed H-shaped, single-layered, linear-cross reflective polarizer demonstrates good angular stabilityAngular stability and effective reflectionReflection properties, validated with CP antennasAntennas. The design reduces RCSRadar cross-section significantly across broad frequencyFrequency bands. An innovative asymmetric meander-line metasurface is introduced, achieving a 90% PolarizationPolarization Conversion Ratio (PCR) from 18.31 GHz to 38.95 GHz, with minimal bandwidthBandwidth reduction at greater oblique angles. The Interdigital CapacitanceCapacitanceInterdigital capacitances (IDC) FSS-based linear-cross reflective polarizer covers K- and Ka-bands, offering dual-polarization conversion with exceptional angular stabilityAngular stability. Additionally, a novel broadbandBroadband linear-circular and linear-cross polarizerLinear-cross polarizers functions in both reflection and transmissionTransmission modes, showcasing high efficiencyEfficiency and stable performance. The comprehensive study highlights the converters’ compact design, multibandMultiband functionality, and potential for real-time applications in advanced communicationCommunication systems.