Steady Patterns of Microparticles Formed by Optical Tweezers.

  • Xu Sheng-Hua
    Open Lab. of Bond Selective Chemistry, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China Department of Physics, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
  • Li Yin-Mei
    Open Lab. of Bond Selective Chemistry, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China Department of Physics, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
  • Lou Li-Ren
    Open Lab. of Bond Selective Chemistry, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China Department of Physics, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
  • Chen Hong-Tao
    Open Lab. of Bond Selective Chemistry, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China Department of Physics, University of Science and Technology of China, Hefei, 230026, Anhui, P. R. China
  • Sun Zhi-Wei
    National Microgravity Lab, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, P. R. China

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In this paper, we propose a method for forming steady patterns of microparticles in a dispersion using optical tweezers. We demonstrate how to control the congregation of particles in a dispersion and to manually fabricate a pattern. The steady pattern may be useful for in-depth research, and the method will have applications in biology and nanotechnology.

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