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Omnidirectional Circularly Polarized Dielectric Antenna

Summary: The invention relates to circularly polarized (CP) antennas with grating dielectric elements acting as a polarizer to convert a linearly polarized omnidirectional radiation pattern from a monopole antenna to an omnidirectional CP radiation pattern. A prototype with parallelepipeds, having a very wide axial ratio bandwidth of 54.9%, was constructed, although the overall antenna bandwidth is limited by the impedance bandwidth of 41%.

Technology Application: • Publishing industry
• Government bodies
• Mass media

Country/Region: Hong Kong

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