Submitted:
14 December 2022
Posted:
15 December 2022
You are already at the latest version
Abstract
We present a new family of Bessel solutions of the paraxial equation. Such solutions keep their form during propagation due to a quadratic phase factor that makes them scaled propagation invariant fields. The Bessel beams we introduce have the particularity that the topological phase is twice the order of the Bessel function and the argument varies quadratically with the radius
Keywords:
Bessel beams
; paraxial equation
; paraxial Bessel beams
; scale propagation beams
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