Photonics Research, Volume. 9, Issue 11, 2144(2021)
Off-axis optical levitation and transverse spinning of metallic microparticles
Fig. 1. Principle of the off-axis levitation and the transverse spinning of metallic microparticles. (a) Sketch for an inverted optical tweezers setup. (b) The principle of off-axis optical levitation of metallic microparticles. The scattering force along the
Fig. 2. Simulated force fields acting on a gold particle with a radius of 1.5 μm trapped in water with trapping power of 10 mW. (a) Spatial distribution of the magnitude of the 2D net force
Fig. 3. The net forces experienced by a gold particle with a radius
Fig. 4. Experimental results of off-axis 3D optical confinement and manipulation of gold microparticles with the radius
Fig. 5. Equilibrium positions of the off-axis confined gold microparticle for various laser power (see
Fig. 6. Transverse spinning of gold microparticle assembly using a linearly polarized Gaussian beam (see
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Yansheng Liang, Shaohui Yan, Zhaojun Wang, Baoli Yao, Ming Lei. Off-axis optical levitation and transverse spinning of metallic microparticles[J]. Photonics Research, 2021, 9(11): 2144
Category: Physical Optics
Received: May. 14, 2021
Accepted: Aug. 24, 2021
Published Online: Oct. 9, 2021
The Author Email: Ming Lei (ming.lei@mail.xjtu.edu.cn)