Three-dimensional measurements of a millimeter wave orbital angular momentum vortex

Three-dimensional measurements of a millimeter wave orbital angular momentum vortex
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DOI：
10.1364/ol.39.000626
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发表时间：
2014-02-01
期刊：
OPTICS LETTERS
影响因子：
3.6
通讯作者：
Ng, Ming Wah Richard
Ng, Ming Wah Richard
中科院分区：
物理与天体物理2区
文献类型：
--
作者：
Schemmel, Peter;Maccalli, Stefania;Ng, Ming Wah Richard

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初始的三维相位和强度测量的100 GHz的l = +/- 1轨道角动量（OAM）涡。通过照明聚丙烯螺旋相板产生涡流。用在W波段（75-100 GHz）工作的三维场扫描仪进行测量。早期的分析表明，分裂的OAM相位位错在涡旋中心，导致在一个复杂的内部涡旋强度模式。(C)2014年美国光学学会
Initial three-dimensional phase and intensity measurements of a 100 GHz l = +/- 1 orbital angular momentum (OAM) vortex are presented. The vortex was generated by illuminating a polypropylene spiral phase plate. Measurements were taken with a three-dimensional field scanner operating in the W-band (75-100 GHz). Early analysis shows splitting of the OAM phase dislocation at the vortex center, resulting in a complex inner vortex intensity pattern. (C) 2014 Optical Society of America