使用 YBCO 振荡器测量带有集成冷电子波长计的二色性弓形天线阵列

IF 2.6 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Beilstein Journal of Nanotechnology Pub Date : 2024-01-04 DOI:10.3762/bjnano.15.3
L. Revin, Dmitrii A Pimanov, A. Chiginev, A. V. Blagodatkin, V. Zbrozhek, Andrey V Samartsev, Anastasia N Orlova, D. Masterov, A. Parafin, Victoria Yu. Safonova, A. Gordeeva, A. Pankratov, L S Kuzmin, Anatolie S Sidorenko, Silvia Masi, P. de Bernardis
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引用次数: 0

摘要

我们考虑了硅衬底上的二色性天线阵列与集成冷电子波长计的特性,以探测 210 和 240 千兆赫频率的辐射。这一频率范围广泛应用于太空、气球和地面任务中的宇宙微波背景实验,如 BICEP Array、LSPE、LiteBIRD、QUBIC、Simons Observatory 和 AliCPT。作为直接辐射探测器,我们使用冷电子波长计,这种探测器灵敏度高、工作频率范围宽,而且不受杂散宇宙射线的影响。它们的其他优点是体积小,仅有几微米,而且电子直接冷却的效果可以提高典型闭环循环 3He 空间应用低温恒温器的灵敏度。我们研究了具有两个 SIN 隧道结和一个 SN 触点的新概念冷电子栓塞仪。使用 YBCO 约瑟夫森结振荡器测量的幅频特性显示,210 GHz 阵列在 205 GHz 处和 240 GHz 阵列在 225 GHz 处出现窄峰值;这两个频段的分离清晰可见。在电流偏置模式下,工作点的噪声等效功率水平为 5 × 10-16 W/√Hz。
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Measurements of dichroic bow-tie antenna arrays with integrated cold-electron bolometers using YBCO oscillators
We consider properties of dichroic antenna arrays on a silicon substrate with integrated cold-electron bolometers to detect radiation at frequencies of 210 and 240 GHz. This frequency range is widely used in cosmic microwave background experiments in space, balloon, and ground-based missions such as BICEP Array, LSPE, LiteBIRD, QUBIC, Simons Observatory, and AliCPT. As a direct radiation detector, we use cold-electron bolometers, which have high sensitivity and a wide operating frequency range, as well as immunity to spurious cosmic rays. Their other advantages are the compact size of the order of a few micrometers and the effect of direct electron cooling, which can improve sensitivity in typical closed-loop cycle 3He cryostats for space applications. We study a novel concept of cold-electron bolometers with two SIN tunnel junctions and one SN contact. The amplitude–frequency characteristics measured with YBCO Josephson Junction oscillators show narrow peaks at 205 GHz for the 210 GHz array and at 225 GHz for the 240 GHz array; the separation of these two frequency bands is clearly visible. The noise equivalent power level at an operating point in the current bias mode is 5 × 10−16 W/√Hz.
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来源期刊
Beilstein Journal of Nanotechnology
Beilstein Journal of Nanotechnology NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
5.70
自引率
3.20%
发文量
109
审稿时长
2 months
期刊介绍: The Beilstein Journal of Nanotechnology is an international, peer-reviewed, Open Access journal. It provides a unique platform for rapid publication without any charges (free for author and reader) – Platinum Open Access. The content is freely accessible 365 days a year to any user worldwide. Articles are available online immediately upon publication and are publicly archived in all major repositories. In addition, it provides a platform for publishing thematic issues (theme-based collections of articles) on topical issues in nanoscience and nanotechnology. The journal is published and completely funded by the Beilstein-Institut, a non-profit foundation located in Frankfurt am Main, Germany. The editor-in-chief is Professor Thomas Schimmel – Karlsruhe Institute of Technology. He is supported by more than 20 associate editors who are responsible for a particular subject area within the scope of the journal.
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