超低轮廓高纯度OAM发生器的实现

IF 0.7 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Electronics Letters Pub Date : 2025-02-14 DOI:10.1049/ell2.70174

Songtao Peng, Youlei Pu

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引用次数: 0

摘要

本文介绍了一种基于均匀圆阵列（UCA）微集成结构的轨道角动量（OAM）发生器，该发生器可以在保持低姿态的情况下产生ka波段超高纯度的OAM涡旋光束。UCA利用切入角微带贴片元件，通过特定的幅度和相位信号输入，激发圆极化波并产生（l=±1$ l=\pm 1$）的OAM模式。该设计的一个关键特点是将基板集成波导（SIW）径向馈电网络与UCA集成在一起，显著降低了制造成本，并将总厚度降至仅1.1 mm （30.0 GHz时0.11 λ 0 $\lambda _{0}$）。ka波段原型机的测量结果表明，在（l=+1$ l=+1$）条件下，OAM模式纯度为93%，带宽为10 dB，约为1.8 GHz。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Implementation of an Ultra-Low Profile High-Purity OAM Generator

查看原文本刊更多论文

Implementation of an Ultra-Low Profile High-Purity OAM Generator

This letter presents an orbital angular momentum (OAM) generator based on a uniform circular array (UCA) micro-integrated structure that produces ultra-high purity OAM vortex beams at Ka-band while maintaining a low profile. Utilizing cut-angle microstrip patch elements, the UCA excites circularly polarized waves and generates OAM modes with ( $l = \pm 1$ ) through specific amplitude and phase signal inputs. A key feature of this design is the integration of a substrate-integrated waveguide (SIW) radial feed network with the UCA, significantly lowering fabrication costs and reducing the overall thickness to only 1.1 mm (0.11 $λ_{0}$ at 30.0 GHz). Measurements of the Ka-band prototype reveal an OAM mode purity of 93% for ( $l = + 1$ ) and a 10 dB bandwidth of approximately 1.8 GHz.

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来源期刊

Electronics Letters 工程技术-工程：电子与电气

CiteScore

2.70

自引率

0.00%

发文量

268

审稿时长

3.6 months

期刊介绍： Electronics Letters is an internationally renowned peer-reviewed rapid-communication journal that publishes short original research papers every two weeks. Its broad and interdisciplinary scope covers the latest developments in all electronic engineering related fields including communication, biomedical, optical and device technologies. Electronics Letters also provides further insight into some of the latest developments through special features and interviews. Scope As a journal at the forefront of its field, Electronics Letters publishes papers covering all themes of electronic and electrical engineering. The major themes of the journal are listed below. Antennas and Propagation Biomedical and Bioinspired Technologies, Signal Processing and Applications Control Engineering Electromagnetism: Theory, Materials and Devices Electronic Circuits and Systems Image, Video and Vision Processing and Applications Information, Computing and Communications Instrumentation and Measurement Microwave Technology Optical Communications Photonics and Opto-Electronics Power Electronics, Energy and Sustainability Radar, Sonar and Navigation Semiconductor Technology Signal Processing MIMO