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首页> 外文期刊>IEEE Journal of Quantum Electronics: A Publication of the IEEE Quantum Electronics and Applications Society >Vectorial Near-Field Characterization of Microwave Device by Using Micro Diamond Based on Tapered Fiber
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Vectorial Near-Field Characterization of Microwave Device by Using Micro Diamond Based on Tapered Fiber

机译：基于锥形纤维的微金刚石微波器件矢量近场表征

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摘要

Microwave vectorial near-field precision physical quantity sensing using ensembles of nitrogen vacancy (NV) centers in diamond has attracted much interest in recent years. The quantum probe of a micron-sized diamond particle attached to a tapered fiber has been widely studied for applications in condensed matter physics, bioscience and electromagnetics. A general issue of Microwave (MW) field vectorial sensing using the probe describe above is the orientation of the NV axes to specified directions in the lab frame. In this work, we propose a practical method for characterizing the MW vectorial near-field by using the quantum probe. The orientations of the NV axes in the lab frame are measured first by using 3-axis Helmholtz coils. The NV axis also needs to be rotated to any specified direction for sensing the MW vectorial near-field component on the perpendicular plane. We demonstrate coplanar waveguide (CPW) vectorial near-field characterization using this micrometer-sized probe, and the proposed method is expected to be applied in the field of millimeter wave imaging with nanometer spatial resolution.
机译：近年来，利用金刚石氮空位（NV）中心集合的微波矢量近场精密物理量传感引起了人们的广泛关注。附着在锥形纤维上的微米级金刚石颗粒的量子探针已被广泛研究用于凝聚态物理学、生物科学和电磁学。使用上述探头进行微波 （MW） 场矢量传感的一般问题是 NV 轴在实验室框架中指定方向的方向。在这项工作中，我们提出了一种利用量子探针表征MW矢量近场的实用方法。首先使用 3 轴亥姆霍兹线圈测量实验室框架中 NV 轴的方向。NV轴还需要旋转到任何指定方向，以感应垂直平面上的MW矢量近场分量。我们演示了使用这种微米级探针的共面波导（CPW）矢量近场表征，并有望将所提方法应用于具有纳米空间分辨率的毫米波成像领域。

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