منابع مشابه
A single gradientless light beam drags particles as “tractor beam”
Usually a light beam pushes a particle when the photons act upon it. We investigate the optical forces by non-paraxial gradientless beams and find that the forces can drag suitable particles all the way towards the light source. The major criterion of realizing the backward dragging force is the strong non-paraxiality of the light beam, which contributes to the pulling force owing to the moment...
متن کاملSingle gradientless light beam drags particles as tractor beams.
Usually a light beam pushes a particle when the photons act upon it. We investigate the optical forces by nonparaxial gradientless beams and find that the forces can drag suitable particles all the way towards the light source. The major criterion of realizing the backward dragging force is the strong nonparaxiality of the light beam, which contributes to the pulling force owing to momentum con...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2014
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.112.174302