抄録
A newly designed cylindrical optical micro-rotor which has slopes for trapping and rotation on its top is proposed. The cylindrical shape is effective in decreasing medium viscosity. Rotation is induced not only by a focused beam but also by a parallel (unfocused) beam. A ray-tracing method considering beam waist is employed for analyzing the radiation pressure exerted on the top and the bottom of the rotor. We theoretically demonstrate optical trapping and high speed rotation for various rotor shape parameters such as oblique angle, height and diameter.
