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Manipulation of microparticles using combined optical traps
Journal of Quantitative Spectroscopy and Radiative Transfer ( IF 2.3 ) Pub Date : 2021-03-16 , DOI: 10.1016/j.jqsrt.2021.107641
Svetlana P. Kotova , Alexander V. Коrobtsov , Nicolay N. Losevsky , Аlexandra М. Mayorova , Sergey A. Samagin

Optothermal traps including vortex ones, have been implemented to capture and manipulate transparent and absorbing micro-objects. The current study deals with latex microspheres of various diameters and silver microparticles. The temperature gradient and corresponding convection fluxes of the liquid were formed by using a light filter absorbing at a wavelength of 0.53 μm as the bottom of the cell with the samples. Special phase masks were designed to form an optothermal trap of the Archimedes spiral shape. We have demonstrated the motion of microparticles along the Archimedes spiral in combined vortex trap caused by the transfer of an angular momentum.



中文翻译:

使用组合式光阱处理微粒

包括涡流陷阱在内的光热陷阱已被实现来捕获和操纵透明的吸收性微物体。当前的研究涉及各种直径的乳胶微球和银微粒。液体的温度梯度和相应的对流通量是通过使用以0.53μm波长吸收的滤光器作为样品的池底而形成的。设计了特殊的相位掩模以形成阿基米德螺旋形状的光热阱。我们已经证明了由角动量传递引起的组合涡阱中微粒沿着阿基米德螺旋运动。

更新日期:2021-03-29
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