26 June 2015 Light field with its power flux circulating along a ring
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The trajectory of all nonparaxial accelerating two-dimensional (2-D) light beams known to date cannot bend higher than a semicircle. A recent paper by Alonso and Bandres suggested the use of an additional mirror to generate an accelerating beam’s path that would be curved greater than a semicircle but less than an entire circle. We, for the first time, show how to generate a 2-D light field with its power flux circulating about a ring. Also, we consider accelerating nonparaxial asymmetric 2-D Bessel beams, which are obtained from a conventional 2-D Bessel beam by shifting its center to the complex plane. We show numerically that with increasing asymmetry parameter of the Bessel beam, its curved path becomes shorter, whereas the side-lobes are suppressed with respect to the central peak.
© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Victor V. Kotlyar, Victor V. Kotlyar, Alexey A. Kovalev, Alexey A. Kovalev, Stanislav G. Zaskanov, Stanislav G. Zaskanov, } "Light field with its power flux circulating along a ring," Optical Engineering 54(11), 111303 (26 June 2015). https://doi.org/10.1117/1.OE.54.11.111303 . Submission:


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