Phys. Rev. Lett. 82, 1574–1577 (1999)Laser Guidance and Trapping of Mesoscale Particles in Hollow-Core Optical FibersReceived 16 April 1998; published in the issue dated 15 February 1999 Mesoscale particles are guided and trapped in micron-sized hollow optical fibers using a 1/2-W near-infrared diode laser. The optical scattering force calculated using geometrical ray optics is 3×10-11N for a 7-μm polystyrene sphere, and agrees well with velocity measurements of optically guided spheres in water. We have levitated a variety of particles using laser-fiber guidance, and have mixed micron-sized glycerin droplets in two-beam laser-fiber traps. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.82.1574
DOI:
10.1103/PhysRevLett.82.1574
PACS:
79.60.Jv
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