Zobrazeno 1 - 10
of 2 845
pro vyhledávání: '"optical force"'
Autor:
M.A. Shukri, F.M. Thabit
Publikováno v:
Results in Physics, Vol 66, Iss , Pp 108020- (2024)
An analytical expression for the optical forces exerted by a pulsed Hermite–Gaussian (HG) beam on a nano-dielectric sphere has been derived. This allows us to investigate how the forces are affected by different beam modes (p,l) and the duration of
Externí odkaz:
https://doaj.org/article/5a9070b5feb44d7f8ddcf937a72fc9dd
Autor:
Weicheng Yi, Haiyang Huang, Chengxing Lai, Tao He, Zhanshan Wang, Xinhua Dai, Yuzhi Shi, Xinbin Cheng
Publikováno v:
Micromachines, Vol 15, Iss 10, p 1267 (2024)
Chiral particles have attracted considerable attention due to their distinctive interactions with light, which enable a variety of cutting-edge applications. This review presents a comprehensive analysis of the optical forces acting on chiral particl
Externí odkaz:
https://doaj.org/article/7a4d6f2ca2444d39923ef57802ffa273
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7008 (2024)
It is well established that the interaction of light with matter generally imparts mechanical forces and associated torques. Where laser light is involved, such effects can be deployed for the microscale and nanoscale manipulation of matter, giving r
Externí odkaz:
https://doaj.org/article/b9ae8985b6b04accadb5434d8b7de23a
Autor:
Guangdong Wang, Zhanghua Han
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 14, Iss 1, Pp 674-682 (2023)
Light can exert radiation pressure on any object it encounters, and the resulting optical force can be used to manipulate particles at the micro- or nanoscale. In this work, we present a detailed comparison through numerical simulations of the optica
Externí odkaz:
https://doaj.org/article/907bae7ea27442f79a4bf0be8682dde1
Autor:
Zhechun Lu, Yang Yu, Yuehua Deng, Zhaojian Zhang, Dongying Wang, Shaoqi Li, Chengzhi Huang, Junbo Yang
Publikováno v:
Results in Physics, Vol 55, Iss , Pp 107169- (2023)
The use of optical trapping has become increasingly prevalent in scientific domains such as biology and physics. However, the realization of various trapping effects often requires the switching of equipment components. To address this challenge, we
Externí odkaz:
https://doaj.org/article/2f9520d83bde4d61839726b8a70c0a8c
Publikováno v:
Nanophotonics, Vol 12, Iss 11, Pp 2019-2027 (2023)
Designing a monochromatic spatially-structured light field that recovers the pre-specified profile of optical force (OF) exerted on a particle is an inverse problem. It usually requires high dimensional optimization and involves lengthy calculations,
Externí odkaz:
https://doaj.org/article/5f88a63ee3474106bb2c30397d3d23ab
Publikováno v:
Nanomaterials, Vol 14, Iss 8, p 691 (2024)
High-order cylindrical vector beams possess flexible spatial polarization and exhibit new effects and phenomena that can expand the functionality and enhance the capability of optical systems. However, building a general analytical model for highly f
Externí odkaz:
https://doaj.org/article/e55795ee41524813a49903ae63db5690
Publikováno v:
Micromachines, Vol 15, Iss 4, p 437 (2024)
Current optical tweezering techniques are actively employed in the manipulation of nanoparticles, e.g., biomedical cells. However, there is still huge room for improving the efficiency of manipulating multiple nanoparticles of the same composition bu
Externí odkaz:
https://doaj.org/article/834bab0b2fd241f6b21da471266d82a4
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