Quasi-Lumped Coplanar Waveguide Diplexers for a Multichroic Polarimeter

IF 1.8 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Applied Superconductivity Pub Date : 2024-12-11 DOI:10.1109/TASC.2024.3514596

Sirui Ren;Tian Xia;Shiling Yu;Yu Wang;Mingzhu Zhang;Yuxin Qiu;Xiaohui Yan;Ruirui Fan;Xucheng Dai;Zhanzhang Mai;Zhongyu Shi;Yue Hong;Liming Zou;Haitao Wang;Hongli Zhu;Jiawei Liu;Haoyu Wang;Weijie Guo;Yiwen Wang;Yanru Song;Xiaohang Zhang;Ran Duan

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Abstract

This article presents a multichroic Kinetic Inductance Bolometer (KIB) polarimeter that utilizes coplanar waveguide (CPW) diplexers. The CPW diplexers function as filters, providing two passbands centered at 220 GHz and 280 GHz. The high-quality-factor resonant units deliver excellent transmission and isolation characteristics. Additionally, the quasi-lumped-element resonator design enables a significant reduction in size compared to conventional microstrip diplexers. The entire polarimeter—comprising orthomode transducer (OMT) probes, diplexers, KIBs, and CPW feed lines—is integrated on a single plane, allowing for one-layer superconducting thin-film fabrication with a simplified process. The compact size, superior frequency response, and streamlined fabrication process make the proposed pixel scheme suitable for integrated array development.

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多频偏振计用准集总共面波导双工器

本文介绍了一种利用共面波导（CPW）双工器的多时动态电感测热计（KIB）偏振计。CPW双工器作为滤波器，提供以220 GHz和280 GHz为中心的两个通带。高质量因数谐振单元提供出色的传输和隔离特性。此外，与传统的微带双工器相比，准集总元件谐振器设计可以显着减小尺寸。整个偏振仪——包括正交换能器（OMT）探头、双工器、kib和CPW馈线——集成在一个平面上，允许用简化的工艺制造单层超导薄膜。该方案具有紧凑的尺寸、优越的频率响应和简化的制造工艺，适用于集成阵列的开发。

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来源期刊

IEEE Transactions on Applied Superconductivity 工程技术-工程：电子与电气

CiteScore

3.50

自引率

33.30%

发文量

650

审稿时长

2.3 months

期刊介绍： IEEE Transactions on Applied Superconductivity (TAS) contains articles on the applications of superconductivity and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Large scale applications include magnets for power applications such as motors and generators, for magnetic resonance, for accelerators, and cable applications such as power transmission.

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