Near-field optical trapping has transformed particle manipulation in biology, chemistry, and nanotechnology, enabling contact-free control of objects ranging from nanoparticles to living cells.
Sounding off: theoretical force patterns for an underwater Chladni plate at two different frequencies. The force arrows illustrate why glass beads accumulate at the plate antinodes (shown in yellow ...
(Nanowerk Spotlight) The precise positioning of nanoparticles on surfaces is key to most nano- technology applications especially molecular electronics. However, for automated patterning of particles, ...
The gradient-thickness-protected microbottle resonator traps 500-nanometer-radius polystyrene particles across an axial span exceeding 195 micrometers with a threshold power of just 0.198 milliwatts.
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