J. Zhong, S. Shi, F. Pajot, Y. Atik, B. Belier, F. Gadot, S. Marnieros, M. Piat
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引用次数: 0
摘要
我们提出了一种天线耦合超导过渡边缘传感器(TES)辐射热计的新设计。将入射辐射耦合到基于膜的双槽天线，然后通过无损微带线传输到位于带层和介电层之间的NbSi薄膜的有损耗弯曲微带线。NbSi薄膜既可作为功率吸收器又可作为温度传感器(温度计)。借助电磁仿真软件High Frequency Structure Simulator (HFSS)，对双槽天线的性能进行了研究。辐射方向图和回波损耗的模拟结果表明，这种TES测热计设计具有良好的应用前景。NbSi薄膜的功率吸收是未来研究的另一个重要方面。
Design and simulation of an antenna-coupled TES bolometer
We present a new design of an antenna-coupled superconducting transition-edge sensor (TES) bolometer. The incident radiation is coupled to a membrane-based twin-slot antenna and then transmitted through lossless microstrip lines to lossy meander-like microstrip lines in which a NbSi film is located between strip and dielectric layer. The NbSi film serves as both power absorber and temperature sensor (thermometer). With the help of the electromagnetic simulation software High Frequency Structure Simulator (HFSS), we have studied the performance of the twin-slot antenna. The simulation results for radiation pattern and return loss show promising prospects for this TES bolometer design. The power absorption in NbSi film is another important aspect which will be modeled in the future.
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