Âé¶¹ÒùÔºics duo create tractor beam using dual Bessel beams
(Âé¶¹ÒùÔº)—David Ruffner and David Grier of New York University have developed a technique for using Bessel beams to draw a particle toward a source. In their paper published in Âé¶¹ÒùÔºical Review Letters they describe how ...