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physics.optics2008★ 52 cited
Spatial and temporal characterization of a Bessel beam produced using a conical mirror
K. B. Kuntz, B. Braverman, S. H. Youn +3
We experimentally analyze a Bessel beam produced with a conical mirror, paying particular attention to its superluminal and diffraction-free properties. We spatially characterized…
physics.optics2008
Measurement of superluminal phase and group velocities of Bessel beams in free space
B. Braverman, K. B. Kuntz, M. Lobino +2
We report on an interferometry-based measurement of the phase and group velocities of optical Bessel beams, providing confirmation of their superluminal character in the non-diffra…