Most of the self-accelerating beams have monotonous single-channel bending structures, which greatly limit their applications in many fields such as microscopic imaging and particle manipulation. In this paper, the self-accelerating cusp beams with variable numbers of multichannel bending structures are generated to demonstrate the optical transportation and accumulation of micrometer polystyrene particles. The transportation velocity and optical force profiles of the microparticles moving along the bending channels of cusp beams are analyzed. Parallel particle transportation and particle accumulation manipulation from all the bending channels are further demonstrated. These results will inspire a lot of promising applications for self-accelerating beams especially in three-dimensional optical micromanipulation.
W. Liu et al., "Optical Transportation and Accumulation of Microparticles by Self-Accelerating Cusp Beams," Physical Review A, vol. 99, no. 4, American Physical Society (APS), Apr 2019.
The definitive version is available at https://doi.org/10.1103/PhysRevA.99.043839
Mechanical and Aerospace Engineering
Intelligent Systems Center
Keywords and Phrases
Bending structures; Microscopic imaging; Optical micromanipulation; Particle accumulation; Particle manipulation; Particle transportation; Polystyrene particle; Single channels
International Standard Serial Number (ISSN)
Article - Journal
© 2019 The Author(s), All rights reserved.
01 Apr 2019