Abstract
An experimental observation of the photophoretic motion of micro-sized particles suspended in air has been performed using the radiometric force from a continuous laser beam. The irradiation was used to trap the particles in a confined optical field and to levitate them. Complex photophoretic motion of the particles was observed in the focus of the beam.
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De Nicola, S., Finizo, A., Mormile, P. et al. Experimental results on the photophoretic motion and radiometric trapping of particles by irradiation with laser light. Appl. Phys. B 47, 247–250 (1988). https://doi.org/10.1007/BF00697345
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DOI: https://doi.org/10.1007/BF00697345