Jun Chen, Zengxin Huang, Dengfeng Kuang. Optical Manipulation of Micro-Particles with Multi-Axis Asymmetric Structured Beam[J]. Chinese Journal of Lasers, 2021, 48(24): 2413001
- Chinese Journal of Lasers
- Vol. 48, Issue 24, 2413001 (2021)
Fig. 1. Structure of MEAC. (a) Diagram; (b) corresponding phase mask
Fig. 2. Schematic of experimental setup for optical manipulation of microsphere with MASB
Fig. 3. Simulated light field intensity distributions of MASB in xy plane. (a) z=3 μm; (b) z=4 μm; (c) z=5 μm
Fig. 4. Simulated energy flux density distributions of MASB in xy plane with arrows indicating energy flux direction. (a) z=3 μm; (b) z=4 μm; (c) z=5 μm
Fig. 5. Simulated optical force of dielectric microspheres under effect of MASB with arrows indicating force direction. (a) z=3 μm; (b) z=4 μm; (c) z=5 μm
Fig. 6. Light field intensity distributions of fifth order asymmetric structured beam focused by microscope. (a)--(d) Change of light spot shape near focus plane of microscope; (e) 3D light field distribution
Fig. 7. Movements of polystyrene fluorescent microspheres under effect of focused MASB. (a) Movement of microsphere A; (b) movements of microspheres B and C
Fig. 8. Distance between polystyrene fluorescent microsphere and center of light beam versus time
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