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Experimental generation of partially coherent beams with different complex degrees of coherence

机译:具有不同复杂相干度的部分相干光束的实验生成

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摘要

We established an experimental setup for generating partially coherent beams with different complex degrees of coherence, and we report experimental generation of an elliptical Gaussian Schell-model (GSM) beam and a Laguerre-GSM beam for the first time. It has been demonstrated experimentally that an elliptical GSM beam and a Laguerre-GSM beam produce an elliptical beam spot and a dark hollow beam spot in the focal plane (or in the far field), respectively, which agrees with theoretical predictions. Our results are useful for beam shaping and particle trapping.
机译:我们建立了一个用于生成具有不同复杂相干度的部分相干光束的实验装置,并且我们首次报道了椭圆高斯谢尔模型(GSM)光束和Laguerre-GSM光束的实验产生。实验证明,椭圆GSM光束和Laguerre-GSM光束分别在焦平面(或远场)中产生椭圆光束斑和暗中空光束斑,这与理论预测相符。我们的结果对于光束整形和粒子捕获很有用。

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