Abstract
The space–time focusing of a (continuous) succession of localized X-shaped pulses is obtained by suitably integrating over their speed, i.e., over their axicon angle, thus generalizing a previous (discrete) approach. New superluminal wave pulses are first constructed and then tailored so that they become temporally focused at a chosen spatial point, where the wave field can reach very high intensities for a short time. Results of this kind may find applications in many fields, besides electromagnetism and optics, including acoustics, gravitation, and elementary particle physics.
© 2004 Optical Society of America
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Michel Zamboni-Rached, Amr M. Shaarawi, and Erasmo Recami, "Focused X-shaped pulses: errata," J. Opt. Soc. Am. A 22, 2900-2900 (2005)https://opg.optica.org/josaa/abstract.cfm?uri=josaa-22-12-2900
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