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一种钨掺杂二氧化钒/石墨烯复合物及其制备方法与应用

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成果归属企业: 深圳大学

成果鉴定时间:

成果介绍

本发明公开了一种基于涡旋光束共轭干涉的三阶非线性测量装置及方法，两束拓扑荷相反的涡旋光束干涉后会形成花瓣状光强分布，而花瓣数量为正负拓扑荷的绝对值相加，改变其中一束光的相位会使花瓣进行旋转；本发明通过相移旋转原理来进行非线性测量，即有待测样品的一路经过光源光功率的变化改变待测样品的折射率，从而就改变这一路的光程差，最终导致相移，出现涡旋光束共轭干涉花瓣的旋转，可以在保证花瓣质量的前提下尽量多地增加拓扑荷，以提高相移的测量精度，通过数值计算得到高精度非线性系数，而花瓣的转动方向则直接反映三阶非线性折射系数符号的正负，只改变了光源，保持了结构的简单化，数据处理相对简单，测量结果精度更高。

成果应用案例介绍

测量实验>测量设备>三阶非线性涡旋光束测量装置

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[ CACHE ] INIT File
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[ BEHAVIOR ] Run \addons\treaty\Treaty @app_init [ RunTime:0.000048s ]
[ BEHAVIOR ] Run \addons\upyun\Upyun @app_init [ RunTime:0.000016s ]
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