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18 August 2005 Pseudo-nondiffraction from the interference of a pair of symmetric Collett-Wolf beams
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Abstract
We report experimental results displaying the interference of light produced by a pair of Collett-Wolf beams. These beams are created by a Michelson interferometer, and are either symmetric or antisymmetric with respect to a plane midway between them. In the former case the output radiation from the interferometer in the far-field is a beam with an intensity distribution that displays a narrow bright line at its center that diverges with the distance from the sources much more slowly than the beam itself. In the later case the radiated beam has an intensity distribution with a narrow dark line at its center. These results suggest that the interference of a pair of symmetric Collett-Wolf beams can be used to produce a pseudo-nondiffracting beam. The experimental results are supported by the results of theoretical calculations.
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Zu-Han Gu, E. R. Mendez, M. Ciftan, A. A. Maradudin, and T. A. Leskova "Pseudo-nondiffraction from the interference of a pair of symmetric Collett-Wolf beams", Proc. SPIE 5878, Advanced Characterization Techniques for Optics, Semiconductors, and Nanotechnologies II, 587810 (18 August 2005); https://doi.org/10.1117/12.613935
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