论文标题
基于过渡边缘传感器的检测器：从X射线到$γ$ -Ray
Transition edge sensor based detector: from X-ray to $γ$-ray
论文作者
论文摘要
过渡边缘传感器对温度的变化极为敏感，结合具有一定厚度的高Z金属，它可以实现诸如X射线之类的颗粒的高能量分辨率测量。 X射线具有低于10 KEV的X射线具有非常弱的穿透能力，因此只有几微米的黄金或二晶型可以获得高于70 \％的量子效率。因此，可以在微加工过程中实现TES X射线检测器的整个结构。但是，对于从10 keV到200 keV的X射线或伽马射线，需要亚毫米吸收层层，这不能通过微加工过程实现。本文首先简要介绍了一组TES X射线探测器及其由上海大学建造的辅助系统，然后专注于引入TES $γ$ -Ray检测器，其吸收剂基于亚毫米型铅荷脂肪合金球体。检测器的量子效率超过100 keV，量子效率高于100 \％，而能量分辨率约为[email protected]。
The Transition Edge Sensor is extremely sensitive to the change of temperature, combined with the high-Z metal of a certain thickness, it can realize the high energy resolution measurement of particles such as X-rays. X-rays with energies below 10 keV have very weak penetrating ability, so only a few microns thick of gold or bismuth can obtain quantum efficiency higher than 70\%. Therefore, the entire structure of the TES X-ray detector in this energy range can be realized in the microfabrication process. However, for X-rays or gamma rays from 10 keV to 200 keV, sub-millimeter absorber layers are required, which cannot be realized by microfabrication process. This paper first briefly introduces a set of TES X-ray detectors and their auxiliary systems built by ShanghaiTech University, then focus on the introduction of the TES $γ$-ray detector, with absorber based on an sub-millimeter lead-tin alloy sphere. The detector has a quantum efficiency above 70\% near 100 keV, and an energy resolution of about [email protected].
