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arXiv · 2401.14995

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

Ye Chai·Shibo Shu·Yongping Li·Jiamin Sun·Zhouhui Liu·Yu Xu·Daikang Yan·Zhengwei Li·Yang Liu·Yiwen Wang·Weijie Guo·Juexian Cao·Congzhan Liu
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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.

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Ye Chai, Shibo Shu, Yongping Li, Jiamin Sun, Zhouhui Liu, Yu Xu, Daikang Yan, Zhengwei Li, Yang Liu, Yiwen Wang, Weijie Guo, Juexian Cao, Congzhan Liu. 2024-01-26. A ThermalKinetic Inductance Detectors Pixel Design for Cosmic Microwave Background Observations at 90/150 GHz bands. https://arxiv.org/abs/2401.14995

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