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A ThermalKinetic Inductance Detectors Pixel Design for Cosmic Microwave Background Observations at 90/150 GHz bands

Year: 2024
Type: preprint
Abstract: The highly sensitive millimeter-wave telescope is an important tool for accurate measurement of Cosmic Microwave Background (CMB) radiation, and its core component is a detector array located in a cryogenic focal plane. The feasibility of utilizing thermal kinetic inductance detectors (TKIDs) for CMB observations has been demonstrated. We propose a pixel design of TKIDs for observing CMB through atmospheric windows for observations in the 90/150 GHz bands. Assuming lossless dielectric, the coupling efficiency of a single pixel is around 90%. This pixel design will be utilized for future large-scale TKIDs array designs for CMB observations.
DOI: 10.48550/arxiv.2401.14995
Authors: Chai, Ye, Shu, Shibo, Li, Yongping, Sun, Jiamin, Liu, Zhouhui, Xu, Yu, Yan, Daikang, Li, Zhengwei, Liu, Yang, Wang, Yiwen, Guo, Weijie, Cao, Juexian, Liu, Congzhan
Institutions: Chinese Academy of Sciences, Institute of High Energy Physics, Xiangtan University, Shandong Institute of Advanced Technology, Southwest Jiaotong University, Shenzhen International Quantum Academy
Language: English
Open Access status: green
OpenAlex ID: W4391335438
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