[15a-K305-1~12] 3.1 Basic optics and frontier of optics

9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[15a-K305-2] Numerical simulation of gradient and thermophoretic forces in optical manipulation

〇Kenji Setoura¹, Koki Ide², Takayuki Suzuki², Tetsuro Tsuji³ (1.Univ. Hyogo, 2.Kobe City Col. Tech., 3.Kyoto Univ.)

Keywords:

optical tweezers,thermophoresis,optothermal manipulation

In optical manipulation, localized temperature gradients arise due to high-intensity laser irradiation, leading to temperture-induced phenomena such as fluid convection and thermophoresis. This presentation reports on Brownian dynamics simulations of the trapping behavior of polystyrene nanoparticles diffusing in water under the simultaneous influence of optical gradient forces and thermophoretic forces generated by a focused near-infrared laser.