Development of TES Microcalorimeters With Serpentine Absorbers for Two-Dimensional Position Detection

IF 1.7 3区物理与天体物理 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Applied Superconductivity Pub Date : 2025-01-08 DOI:10.1109/TASC.2025.3527415

Tetsuya Tsuruta;Naoko Iyomoto;Yusuke Matsumi;Yuuki Tagawa;Haruto Fujita;Masahiro Kihara;Noriko Yamasaki;Tasuku Hayashi;Yuta Yagi;Kazuhisa Mitsuda;Keisuke Maehata

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Abstract

This study focuses on the development of TES (Transition Edge Sensor) microcalorimeters for gamma-ray detection. We developed a position-sensitive TES (PoST) based on our single-pixel TES, constructed from a titanium-gold (Ti/Au) bilayer. The PoST consists of a TES coupled with elongated absorbers to enable position sensitivity. Lead was chosen as the absorber material due to its high stopping power for high-energy gamma rays. However, the thermal contraction mismatch between lead and the TES substrate posed a risk of damage during cooling. To address this issue, we developed a method utilizing serpentine-shaped absorbers, which enables two-dimensional position detection while maintaining the same number of wires as a conventional one-dimensional PoST. The feasibility of this approach was demonstrated with two types of prototype absorbers, and the experimental results are presented below.

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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.