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首页> 外文期刊>Bulletin of the American Physical Society >APS -2017 Annual Fall Meeting of the APS Ohio-Region Section - Event - Millimeter-Wave, Spiral Phase Plates for Vortex Wave Generation
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APS -2017 Annual Fall Meeting of the APS Ohio-Region Section - Event - Millimeter-Wave, Spiral Phase Plates for Vortex Wave Generation

机译：APS -2017 APS俄亥俄地区分部年度秋季会议-活动-产生涡波的毫米波螺旋相位板

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We have designed quasi-optical, spiral phase plates for the purpose of generating millimeter-wave Laguerre-Gaussian beams, which carry non-zero orbital angular momentum. Such beams will be used for experiments involving the interaction of electromagnetic waves, having frequencies ranging from 57 to 67 GHz, with solid state devices and materials. Two phase plates were fabricated from high density polyethylene. One was designed to yield the lowest mode of right-handed chirality (having an azimuthal modal index of $+$1), and the other was designed to yield the lowest mode of left-handed chirality (having an azimuthal modal index of -1). A customized programmable XYZ-stage was constructed with a sensor head that can simultaneously measure vertical and horizontal polarization components. A finite element analysis tool, ANSYS HFSS, was used to predict beam intensity patterns for comparison to measured results.
机译：我们设计了准光学螺旋相位板，以生成毫米波Laguerre-Gaussian光束，该光束携带非零轨道角动量。这样的光束将用于涉及电磁波与固态器件和材料相互作用的实验，该电磁波的频率范围为57至67 GHz。两相板由高密度聚乙烯制成。一种设计用于产生最低惯性的手性模式（具有$ + $ 1的方位模态指数），另一种设计用于产生最低惯性的手性模式（具有-1的方位模态指数） 。定制的可编程XYZ位移台带有一个传感器头，可以同时测量垂直和水平极化分量。使用有限元分析工具ANSYS HFSS来预测光束强度模式，以便与测量结果进行比较。

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