Bessel Beams

Details Bessel Beams Bessel Beams

2000-06-19

arxiv.org/abs/physics/0006046v1

Physics

Optics

Scientific paper

Scalar Bessel beams are derived both via the wave equation and via diffraction theory. While such beams have a group velocity that exceeds the speed of light, this is a manifestation of the "scissors paradox" of special relativty. The signal velocity of a modulated Bessel beam is less than the speed of light. Forms of Bessel beams that satisfy Maxwell's equations are also given.

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