Unveiling the correlation between non‐diffracting tractor beam and its singularity in Poynting vector

LASER & PHOTONICS REVIEWS, no. 1 (2015): 75-82

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Abstract:

This paper investigates the singular optics of nonparaxial light beams in the near field when the light behaves as a tractor beam. New insights into the optical pulling force, which is usually represented by integrating the stress tensor at a black box enclosing the object, are interpreted by the optical singularity of the Poynting vector...More

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