Ryo Ota, Keita Tanaka, Tasuku Hayashi, Rikuta Miyagawa, Yuta Yagi, Noriko Y. Yamasaki, Kazushisa Mitsuda
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引用次数: 0
摘要
高效微量热计阵列是一般 X 射线显微镜和天体物理学所需的成像光谱。我们在内部开发了一种带有蘑菇型吸收器的过渡边缘传感器（TES）X射线微量热仪阵列，该阵列有一个大面积的（260\\upmu \hbox {m}\）正方形，带有多个支撑杆。导热性不足可能会降低能量分辨率。我们构建了带有热传导和 TES 电反馈电路的三维有限元模拟。在模拟中加入了估计的物理参数，以重现测量到的脉冲波形。因此，对于蘑菇型吸收器 TES 热量计来说，大吸收器对能量分辨率下降的影响很小。
Electro-Thermal Simulation and Evaluation of Transition Edge Sensor X-ray Microcalorimeter with Mushroom-Type Absorber
High-efficiency microcalorimeter arrays are required as imaging spectroscopy for X-ray microscopy in general and for astrophysics. We have developed in-house an array of Transition Edge Sensor (TES) X-ray microcalorimeters with mushroom-type absorbers which have a large area of \(260\,\upmu \hbox {m}\) square with multiple support stems. Insufficient thermal conductivity may degrade the energy resolution. We construct a 3D FEM simulation with thermal conduction and electric feedback circuit of TES. Estimated physical parameters were incorporated into the simulation to reproduce the measured pulse waveforms. As a result, the effect of the large absorber on the degradation of energy resolution was small for the mushroom-type absorber TES calorimeter.
期刊介绍：
The Journal of Low Temperature Physics publishes original papers and review articles on all areas of low temperature physics and cryogenics, including theoretical and experimental contributions. Subject areas include: Quantum solids, liquids and gases; Superfluidity; Superconductivity; Condensed matter physics; Experimental techniques; The Journal encourages the submission of Rapid Communications and Special Issues.
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