Journal
OPTICS LETTERS
Volume 33, Issue 15, Pages 1678-1680Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.33.001678
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- Secretaria de Educacion Publica de Mexico
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We demonstrate the existence of accelerating parabolic beams that constitute, together with the Airy beams, the only orthogonal and complete families of solutions of the two-dimensional paraxial wave equation that exhibit the unusual ability to remain diffraction-free and freely accelerate during propagation. Since the accelerating parabolic beams, like the Airy beams, carry infinite energy, we present exact finite-energy accelerating parabolic beams that still retain their unusual features over several diffraction lengths. (c) 2008 Optical Society of America.
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