Proportional enlargement of movement by using an optically driven multi-link system with an elastic joint.
Diverse movements using optical manipulation have been introduced. These are generally performed in the focal region of the laser beam. To achieve a wider range of movements based on precise motion transformation, an effective method for optical manipulation that overcomes the important obstacles such as small optical trapping forces, friction, and the viscosity of fluids is required. A multi-link system with an elastic joint is introduced that provides precise motion transformation and amplification. By considering the physical properties of the structure and the optical trapping force, an elastic micron-scale joint with the simple shape of a thin plate was designed. As a further example of a multi-link system with an elastic joint, a double 4-link system for motion enlargement was designed and fabricated. By performing experimental evaluations of the fabricated structures, it was confirmed that multi-link systems with an elastic joint were effective tools for precise motion transformation through optical manipulation.
Jeong
Yu Jin
YJ
Department of Mechanical Engineering, Korea Advanced Institute of Science & Technology (KAIST), Science Town, Daejeon, Korea.
Lim
Tae Woo
TW
Son
Yong
Y
Yang
Dong-Yol
DY
Kong
Hong-Jin
HJ
Lee
Kwang-Sup
KS
D004548:Elasticity; D004867:Equipment Design; D008832:Microchemistry / Q000295:instrumentation*; D008846:Micromanipulation / Q000295:instrumentation*; D008962:Models, Theoretical; D036103:Nanotechnology / Q000295:instrumentation*; D052898:Optical Tweezers