Enantioselection and chiral sorting of single microspheres using optical pulling forces

Ali Rfaqat; Dutra R. S.; Pinheiro F. A.; Neto P. A. Maia

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Enantioselection and chiral sorting of single microspheres using optical pulling forces

机译：使用光学拉力的单微球对映射和手性分类

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We put forward a novel, twofold scheme that enables, at the same time, all-optical enantioselection and sorting of single multipolar chiral microspheres based on optical pulling forces exerted by two non-collinear, non-structured, circularly polarized light sources. Our chiral resolution method can be externally controlled by varying the angle between their incident wavevectors, allowing for fine-tuning of the range of chiral indices for enantioselection. Enantioselectivity is achieved by choosing angles such that only particles with the same handedness of the light sources are pulled. This proposal allows one to achieve all-optical sorting of chiral microspheres with arbitrarily small chiral parameters, thus outperforming current optical methods. (C) 2021 Optical Society of America

机译：我们提出了一种新颖的、双重的方案，能够同时基于两个非共线、非结构、圆偏振光光源施加的光学拉力对单个多极手性微球进行全光对映体选择和分类。我们的手性拆分方法可以通过改变其入射波向量之间的角度进行外部控制，从而允许对映体选择的手性指数范围进行微调。对映选择性是通过选择合适的角度来实现的，这样，只有与光源具有相同手性的粒子才会被吸引。该方案可以实现任意小手性参数的手性微球的全光分选，从而优于现有的光学方法。（2021）美国光学学会

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来源
《Optics Letters》 |2021年第7期|共4页
作者
Ali Rfaqat; Dutra R. S.; Pinheiro F. A.; Neto P. A. Maia;
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作者单位

Univ Campinas UNICAMP Photon Res Ctr Appl Phys Dept Gleb Wataghin Phys Inst POB 6165 BR-13083970 Campinas SP Brazil;

Inst Fed Educ Ciencia &

Tecnol LISComp IFRJ Rua Sebastiao de Lacerda BR-26600000 Paracambi RJ Brazil;

Univ Fed Rio de Janeiro Inst Fis Caixa Postal 68528 BR-21941972 Rio De Janeiro RJ Brazil;

Univ Fed Rio de Janeiro Inst Fis Caixa Postal 68528 BR-21941972 Rio De Janeiro RJ Brazil;

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正文语种 eng
中图分类计量学;光学;
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Enantioselection and chiral sorting of single microspheres using optical pulling forces

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