31 March 1997 Micromachined optical trap for use as a microcytology workstation
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Abstract
A micromachined optical 'trap' to capture and move micron sized dielectric particles is presented. The trap consists of four single mode optical fibers mutually aligned to have a common optical beam intersection at the center of a micromachined housing. The intersection of the beams forms an optical 'cross-hair' which captures dielectric microparticles with a strong optical gradient force field, and holds them for further manipulation, visualization, and/or analysis. The stability and magnitude of the trapping force fields are comparable to the single beam 'optical tweezers' technique, but are considerably more versatile.
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Scott D. Collins, Scott D. Collins, Erkin Sidick, Erkin Sidick, Andre Knoesen, Andre Knoesen, Ronald J. Baskin, Ronald J. Baskin, } "Micromachined optical trap for use as a microcytology workstation", Proc. SPIE 2978, Micro- and Nanofabricated Electro-Optical Mechanical Systems for Biomedical and Environmental Applications, (31 March 1997); doi: 10.1117/12.269956; https://doi.org/10.1117/12.269956
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