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Phys Rev Lett. 2008 Oct 3;101(14):143601. Epub 2008 Oct 1.

Long-range one-dimensional longitudinal optical binding.

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Institute of Scientific Instruments of the ASCR, v.v.i., Academy of Sciences of the Czech Republic, Kralovopolska 147, 612 64 Brno, Czech Republic.


We create extended longitudinally optically bound chains of microparticles with the use of counterpropagating "nondiffracting" light fields, the so-called Bessel beams. The beam homogeneity and extended propagation range allow the creation of 200 microm long chains of organized microparticles. We observe short-range multistability within a single chain and long-range multistability between several distinct chains. Our observations are supported by theoretical results of the coupled dipole method.

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