论文标题

Terahertz强度映射器的基于动力电感探测器的焦平面组件的设计

Design of The Kinetic Inductance Detector Based Focal Plane Assembly for The Terahertz Intensity Mapper

论文作者

Liu, L. -J., Janssen, R. M. J., Bradford, C. M., Hailey-Dunsheath, S., Fu, J., Filippini, J. P., Aguirre, J. E., Bracks, J. S., Corso, A. J., Groppi, C., Hoh, J., Keenan, R. P., Lowe, I. N., Marrone, D. P., Mauskopf, P., Nie, R., Redford, J., Trumper, I., Vieira, J. D.

论文摘要

储层计算是预测湍流的有力工具,其简单的架构具有处理大型系统的计算效率。然而,其实现通常需要完整的状态向量测量和系统非线性知识。我们使用非线性投影函数将系统测量扩展到高维空间,然后将其输入到储层中以获得预测。我们展示了这种储层计算网络在时空混沌系统上的应用,该系统模拟了湍流的若干特征。我们表明,使用径向基函数作为非线性投影器,即使只有部分观测并且不知道控制方程,也能稳健地捕捉复杂的系统非线性。最后,我们表明,当测量稀疏、不完整且带有噪声,甚至控制方程变得不准确时,我们的网络仍然可以产生相当准确的预测,从而为实际湍流系统的无模型预测铺平了道路。

We report on the kinetic inductance detector (KID) array focal plane assembly design for the Terahertz Intensity Mapper (TIM). Each of the 2 arrays consists of 4 wafer-sized dies (quadrants), and the overall assembly must satisfy thermal and mechanical requirements, while maintaining high optical efficiency and a suitable electromagnetic environment for the KIDs. In particular, our design manages to strictly maintain a 50 $\mathrm{μm}$ air gap between the array and the horn block. We have prototyped and are now testing a sub-scale assembly which houses a single quadrant for characterization before integration into the full array. The initial test result shows a $>$95% yield, indicating a good performance of our TIM detector packaging design.

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