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21 April 2016 Dynamic photophoresis-based optical trapping using a spatial light modulator
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We investigate optical trapping light-absorbing particles in the air employing photophoretic forces with optical tweezers generated by a spatial light modulator (SLM). SLM gives us the opportunity to form optical tweezers for multiple trapping in several planes. We investigate the possibility of using lenses with various focal lengths for trapping light-absorbing microparticles with the SLM. We used lenses with a large focal length and a large depth of focus. The results shown in this paper could be useful in various applications of optics and biology.
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Aleksey P. Porfirev and Roman V. Skidanov "Dynamic photophoresis-based optical trapping using a spatial light modulator", Proc. SPIE 9884, Nanophotonics VI, 98843E (21 April 2016);

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