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Q-switch for pulsing laser beam and Galvano scanner for rapid scanning laser beam were adapted to manipulatemicro solid particles in a water droplet.The trapping of fine particles at micron-sized diameters by a YAG lasersystem,induced flows,and the induced motion of the particles by laser beam irradiations are discussed.Particlerotations are observed by using anisotropic micro objects,and moreover the rotational rate with clockwise direc-tion is 22 r/min.The fragments of a cover glass were mixed in a water droplet,and their size and shape are un-even.The rotation of that non-spheres without scanning by the Galvano scanner is also observed in water.
Q-switch for pulsing laser beam and Galvano scanner for rapid scanning laser beam were adapted to manipulatemicro solid particles in a water droplet. The trapping of fine particles at micron-sized diameters by a YAG lasersystem, induced flows, and the induced motion of the particles by laser beam irradiations are discussed. Particlerotations are using by anisotropic micro objects, and moreover the rotational rate with clockwise direc- tion is 22 r / min. The fragments of a cover glass were mixed in a water droplet, and their size and shape are un-even. The rotation of that non-spheres without scanning by the Galvano scanner is also observed in water.