Optical trapping has become a powerful tool in numerous fields such as biology, physics, chemistry. In light-matter interaction, transfer of optical linear momentum and angular momentum gives rise to optical forces acting on the illuminated object, thus enabling the acceleration, three-dimensional (3-D) confinement, spinning, rotation, and even negative pulling of particles.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/32TAJOf
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