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耦合至铝基动能探测器的分层相控阵天线：一种用于多频段毫米/亚毫米波焦平面的可扩展架构。

Hierarchical Phased-Array Antennas Coupled to Al KIDs: A Scalable Architecture for Multi-band Millimeter/Submillimeter Focal Planes.

作者信息

Martin Jean-Marc, Kim Junhan, Defrance Fabien, Shu Shibo, Beyer Andrew D, Day Peter K, Sayers Jack, Golwala Sunil R

机构信息

California Institute of Technology, 1200 E. California Blvd., Pasadena, 91125 CA USA.

Jet Propulsion Laboratory, California Institute of Technology, Pasadena, 91109 CA USA.

出版信息

J Low Temp Phys. 2024;216(1-2):104-111. doi: 10.1007/s10909-024-03110-4. Epub 2024 Jun 17.

DOI:10.1007/s10909-024-03110-4
PMID:39070769
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11282143/
Abstract

We present the optical characterization of two-scale hierarchical phased-array antenna kinetic inductance detectors (KIDs) for millimeter/submillimeter wavelengths. Our KIDs have a lumped-element architecture with parallel plate capacitors and aluminum inductors. The incoming light is received with a hierarchical phased array of slot dipole antennas, split into 4 frequency bands (between 125 GHz and 365 GHz) with on-chip lumped-element band-pass filters, and routed to different KIDs using microstriplines. Individual pixels detect light for the 3 higher-frequency bands (190-365 GHz), and the signals from four individual pixels are coherently summed to create a larger pixel detecting light for the lowest frequency band (125-175 GHz). The spectral response of the band-pass filters was measured using Fourier transform spectroscopy (FTS), the far-field beam pattern of the phased-array antennas was obtained using an infrared source mounted on a 2-axis translating stage, and the optical efficiency of the KIDs was characterized by observing loads at 294 K and 77 K. We report on the results of these three measurements.

摘要

我们展示了用于毫米/亚毫米波长的两尺度分层相控阵天线动态电感探测器（KIDs）的光学特性。我们的KIDs采用具有平行板电容器和铝电感器的集总元件架构。入射光由缝隙偶极子天线的分层相控阵接收，通过片上集总元件带通滤波器分为4个频段（125吉赫兹至365吉赫兹之间），并使用微带线路由到不同的KIDs。单个像素检测3个较高频段（190 - 365吉赫兹）的光，来自四个单个像素的信号被相干求和，以创建一个更大的像素来检测最低频段（125 - 175吉赫兹）的光。使用傅里叶变换光谱法（FTS）测量带通滤波器的光谱响应，使用安装在两轴平移台上的红外源获得相控阵天线的远场波束方向图，并通过观察294开尔文和77开尔文下的负载来表征KIDs的光学效率。我们报告这三项测量的结果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/4b5cecec12f1/10909_2024_3110_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/63e9214e3d84/10909_2024_3110_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/572dbec66ffd/10909_2024_3110_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/3cdca37eca84/10909_2024_3110_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/4b5cecec12f1/10909_2024_3110_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/63e9214e3d84/10909_2024_3110_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/572dbec66ffd/10909_2024_3110_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/3cdca37eca84/10909_2024_3110_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df85/11282143/4b5cecec12f1/10909_2024_3110_Fig4_HTML.jpg

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本文引用的文献

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