Leaky wave antenna for wide range of beam scanning through broadside in dielectric image line environment
Chandra Shekhar Prasad, Animesh Biswas, M. Jaleel Akhtar
Abstract
Chandra Shekhar Prasad, Animesh Biswas, M. Jaleel Akhtar
Abstract
Abstract In this letter, a broadband leaky wave antenna based on dielectric image line (DIL) is proposed in Ku‐band. An H‐shaped metal strip is used to mitigated the open stop band problem. A prototype is measured which exhibits an impedance bandwidth of 33.2% (11.3–15.8 GHz) and the beam scanning of 98° (−60° to 38°) through broadside. The measured peak gain in the band is 15 dBi.
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Abstract In this letter, a broadband leaky wave antenna based on dielectric image line (DIL) is proposed in Ku‐band. An H‐shaped metal strip is used to mitigated the open stop band problem. A prototype is measured which exhibits an impedance bandwidth of 33.2% (11.3–15.8 GHz) and the beam scanning of 98° (−60° to 38°) through broadside. The measured peak gain in the band is 15 dBi.
Key concepts: Broadside, Leaky wave antenna, Optics, Broadband, Bandwidth (computing), Dielectric, Electrical impedance, Antenna (radio)