Diffraction-Attenuation Resistant Beams: their Higher Order Versions and Finite-Aperture Generations

Details Diffraction-Attenuation Resistant Beams: their Higher Order Versions and Finite-Aperture Generations Diffraction-Attenuation Resistant Beams: their Higher Order Versions and Finite-Aperture Generations

2010-07-07

arxiv.org/abs/1007.1046v1

Physics

Optics

24 pages, 6 figures

Scientific paper

Recently, a method for obtaining diffraction-attenuation resistant beams in absorbing media was developed through suitable superposition of ideal zero-order Bessel beams. In this work, we will show that such beams maintain their resistance to diffraction and absorption even when generated by finite apertures. Also, we shall extend the original method to allow a higher control over the transverse intensity profile of the beams. Although the method has been developed for scalar fields, it can be applied to paraxial vector wave fields as well. These new beams can possess potential applications, such as free space optics, medical apparatuses, remote sensing, optical tweezers, etc..

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