The characteristics of different resonance modes of a dielectric sphere (Alumina ceramic, permittivity around 10) are investigated by Mie's theory and confirmed by field simulations and by measurements. Based on the dominant transverse magnetic resonance mode of the sphere, an on-chip antenna design is proposed. The antenna for operation at 180 GHz is using a spherical dielectric resonator of Alumina ceramic with diameter of 0.6 mm. The antenna design is characterized by small chip-area consumption, high gain, and excellent radiation efficiency. Measurements confirm the simulated results.

中文翻译：

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工作频率为 180 GHz 的球形介质谐振器天线

Mie 理论研究了介电球（氧化铝陶瓷，介电常数约为 10）的不同谐振模式的特性，并通过场模拟和测量证实了这一点。基于球体的主导横向磁共振模式，提出了一种片上天线设计。工作在 180 GHz 的天线使用直径为 0.6 毫米的氧化铝陶瓷球形介电谐振器。该天线设计的特点是芯片面积消耗小、增益高、辐射效率高。测量证实了模拟结果。