Simultaneous Trapping of Two Types of Particles with Focused Elegant Third-Order Hermite–Gaussian Beams
| Autor: | Huizhu Hu, Jingjing Su, Nan Li, Jiapeng Mou, Yishi Liu, Xingfan Chen |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Physics::Optics
02 engineering and technology Dielectric 01 natural sciences Article 010309 optics symbols.namesake third-order Hermite–Gaussian beam Optics radiation force 0103 physical sciences TJ1-1570 Mechanical engineering and machinery Electrical and Electronic Engineering Rayleigh scattering Physics Rayleigh scattering theory business.industry Mechanical Engineering Radius 021001 nanoscience & nanotechnology Transverse plane Cardinal point Optical tweezers Control and Systems Engineering symbols optical trapping SPHERES 0210 nano-technology business Beam (structure) |
| Zdroj: | Micromachines, Vol 12, Iss 769, p 769 (2021) Micromachines Volume 12 Issue 7 |
| ISSN: | 2072-666X |
| DOI: | 10.3390/mi12070769 |
| Popis: | The focusing properties of elegant third-order Hermite–Gaussian beams (TH3GBs) and the radiation forces exerted on dielectric spherical particles produced by such beams in the Rayleigh scattering regime have been theoretically studied. Numerical results indicate that the elegant TH3GBs can be used to simultaneously trap and manipulate nanosized dielectric spheres with refractive indexes lower than the surrounding medium at the focus and those with refractive indexes larger than the surrounding medium in the focal vicinity. Furthermore, by changing the radius of the beam waist, the transverse trapping range and stiffness at the focal plane can be changed. |
| Databáze: | OpenAIRE |
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