Volume 107, Number 3, August 2014
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||24 July 2014|
Three-dimensional nonparaxial accelerating beams from the transverse Whittaker integral
1 Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, Xi'an Jiaotong University - Xi'an 710049, China
2 Science Program, Texas A&M University at Qatar - P.O. Box 23874 Doha, Qatar
Received: 8 May 2014
Accepted: 8 July 2014
We investigate three-dimensional nonparaxial linear accelerating beams arising from the transverse Whittaker integral. These beams accelerate along a semicircular trajectory, with almost invariant nondiffracting shapes. The transverse patterns of accelerating beams are determined by their angular spectra, which are constructed from the Mathieu functions, Weber functions, and Fresnel integrals. Our results not only enrich the understanding of multidimensional nonparaxial accelerating beams, but also display their real applicative potential —owing to the usefulness of Mathieu and Weber functions, and Fresnel integrals in describing a wealth of wave phenomena in nature.
PACS: 42.25.Fx – Diffraction and scattering / 42.25.Bs – Wave propagation, transmission and absorption
© EPLA, 2014
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