Non-Paraxial Accelerating Beams

Details Non-Paraxial Accelerating Beams Non-Paraxial Accelerating Beams

2011-12-31

arxiv.org/abs/1201.0300v2

Phys. Rev. Lett. 108, 163901 (2012)

Physics

Optics

Scientific paper

10.1103/PhysRevLett.108.163901

We present the spatially accelerating solutions of the Maxwell equations. Such non-paraxial beams accelerate in a circular trajectory, thus generalizing the concept of Airy beams. For both TE and TM polarizations, the beams exhibit shape-preserving bending with sub-wavelength features, and the Poynting vector of the main lobe displays a turn of more than 90 degrees. We show that these accelerating beams are self-healing, analyze their properties, and compare to the paraxial Airy beams. Finally, we present the new family of periodic accelerating beams which can be constructed from our solutions.

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