通信与信息技术Issue(5)：14-17,4.
多模态液体轨道角动量天线设计
Design of a multimodal liquid orbital angular momentum antenna
摘要
Abstract
Research on orbital angular momentum(OAM)technology has been progressively developing and gaining momentum.Due to its unique orthogonal properties,multiple channels of electromagnetic vortex waves can be transmitted on the same carrier frequen-cy by utilizing modal parameters,thereby increasingly expanding the role of this technology in wireless communication research.Most ex-isting OAM antennas commonly suffer from issues such as limited modes and narrow resonant bandwidth.This paper proposes a dual-fre-quency liquid dielectric resonator antenna to address these limitations.This antenna incorporates a specially designed helical ascending structure capable of exciting multiple OAM modes simultaneously across different frequency bands.Simulation results show that when the angle between the two helical steps is 0°,OAM modes±1 and±3 are excited,achieving the highest modal purity and the most complete phase performance.When the relative angle is 35°,only the±2 OAM mode is generated.As the relative angle increases to 85°,OAM modes±1 and±4 are produced.When the relative angle reaches 120°,the maximum number of OAM modes specifically±1,±3,and±4 are excited.关键词
轨道角动量(OAM)/介质谐振器天线/涡旋波Key words
Orbital angular momentum(OAM)/Dielectric resonator antenn/Vortex wave分类
信息技术与安全科学引用本文复制引用
高岐,雷蕾..多模态液体轨道角动量天线设计[J].通信与信息技术,2026,(5):14-17,4.基金项目
西安明德理工学院科研基金资助项目(项目编号:2024MDY02) （项目编号:2024MDY02）
