具有光学馈线和光子带隙结构的共面相控阵天线

International Topical Meeting on Microwave Photonics. MWP'99. Technical Digest (Cat. No.99EX301) Pub Date : 1999-11-17 DOI:10.1109/MWP.1999.819708

G. Chakam, W. Freude

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引用次数: 6

摘要

研制了一种新型带光子带隙结构的共面宽带偶极相控阵发射天线。混合集成光电接收器和高增益MMIC功率放大器检测调制的光输入功率，并向天线单元提供20 ghz的微波信号。围绕每个偶极子及其馈线的平面光子带隙结构抑制了导体衬底的平行板模式。相对天线带宽可以从7.5%增加到22%。

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Coplanar phased array antenna with optical feeder and photonic bandgap structure

A novel coplanar broadband dipole phased array sending antenna with optical feeder network and photonic bandgap structure has been developed. Hybridly integrated opto-electronic receivers and high-gain MMIC power amplifiers detect the modulated optical input power and deliver a 20-GHz microwave signal to the antenna elements. A planar photonic bandgap structure surrounding each dipole and its electric feeder line suppresses parallel plate modes of the conductor-backed substrate. The relative antenna bandwidth could be tripled from 7.5% to 22%.

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来源期刊

International Topical Meeting on Microwave Photonics. MWP'99. Technical Digest (Cat. No.99EX301)

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