Bandpass frequency selective surfaces with fast roll-off characteristics

被引：0

作者：

Tong, Jinye ^{[1
]}

Xu, Zhixia ^{[1
,2
]}

Li, Jinji ^{[1
]}

Zhong, Weiye ^{[3
]}

Shi, Jun ^{[4
]}

Fang, Shaojun ^{[1
]}

机构：

[1] Dalian Maritime Univ, Sch Informat Sci & Technol, Dalian 116026, Liaoning, Peoples R China

[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China

[3] Chinese Acad Sci, Shanghai Astron Observ, Div Radio Astron Sci & Technol, Shanghai 200030, Peoples R China

[4] Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China

来源：

PHYSICA SCRIPTA | 2024年 / 99卷 / 06期

基金：

美国国家科学基金会;

关键词：

frequency selective surfaces (FSSs); fast roll-off; insertion loss; millimeter astronomy; ANTENNA; DESIGN; FSS;

D O I：

10.1088/1402-4896/ad4835

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a bandpass frequency selective surface (FSS) with fast cut-off characteristics and low insertion loss. It consists of a compact high-frequency hybrid compression board with five metal layers, two Rogers RO4003C layers, and two F4B layers. The hierarchical fitting of equivalent circuits is utilized to analyze the FSS, which maintains angular stability for dual-polarized electromagnetic waves at incidence angles of less than 20 degrees. Under normal incidence, transmission amplitudes in the K-band exceed -0.87 dB. Furthermore, the proposed FSS achieves a roll-off rate of 87.6 dB GHz-1, which can be applied in dual-frequency observing systems for millimeter astronomy.

引用

页数：6

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