27 August 2010 Optical repulsive force control of lower-index microparticles in a liquid
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Abstract
A micro object with lower refractive index than surrounding liquid is subjected its motion to an optical repulsive force. The optical repulsive force is generated with a focused beam array, which is dynamically formed by a computer-generated hologram displayed on a liquid crystal spatial light modulator. We demonstrate manipulations of hollow glass spheres in water and water droplets in organic solvent using the optical repulsive forces.
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Yoshio Hayasaki, Yoshio Hayasaki, Takayuki Higuchi, Takayuki Higuchi, Naoki Fukaya, Naoki Fukaya, Taku Kobayashi, Taku Kobayashi, "Optical repulsive force control of lower-index microparticles in a liquid", Proc. SPIE 7762, Optical Trapping and Optical Micromanipulation VII, 77622C (27 August 2010); doi: 10.1117/12.861977; https://doi.org/10.1117/12.861977
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