论文标题
精确测量光学操作中结构光的相位剖面
Accurately measuring phase profiles of structured light in optical manipulation
论文作者
论文摘要
在由结构光驱动的光学操作中，准确的相测量非常需要，因为相位轮廓与光力分布有着密切的联系，从而强烈影响光学陷阱的能力。在这里，我们报告了一种新型的干涉相测量技术，用于准确测量全息光诱捕系统中结构光的相位曲线。进行相关的实验，其中所获得的相位剖面与设计的相位剖面非常吻合。它揭示了可以准确获得结构光的相位剖面。重要的是，相位测量和光学操纵实验之间的快速切换可以很容易地实现，这在光学诱捕系统中非常可取。这项研究为准确获得结构光的相位剖面提供了一种有希望的方法，这对于实现高性能的光学陷阱非常有帮助。
Accurate phase measurement is highly desirable in optical manipulation driven by structured light, since the phase profiles have a close connection with optical force distribution, strongly affecting the capability of optical traps. Here, we report a novel interferometric phase measurement technique for accurately measuring the phase profiles of structured light in holographic optical trapping system. The related experiments are performed, in which the obtained phase profiles agree well with the designed phase profiles. It reveals that the phase profiles of structured light can be accurately obtained. Importantly, the fast switch between phase measurement and optical manipulation experiment can be easily realized, which are strongly preferable in optical trapping system. This study offers a promising way for accurately obtaining phase profiles of structure light, which is very helpful for realizing optical trapping with high performance.
