A. P. Porfirev, S. A. Fomchenkov
We investigate the effects of changing the power of a Gaussian laser beam on the motion of light-absorbing microparticles trapped in the beam region. Laser trapping of such particles was due to the action of so-called photophoretic forces. In addition, we demonstrate the possibility of controlled movement of trapped carbon nanoparticle agglomerations, both in the direction of propagation of the laser beam and in the opposite direction.
DOI
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