title: Efficient sorting of Bessel beams.
abstract: We demonstrate the efficient sorter of Bessel beams separating both the azimuthal and radial components. This is based upon the recently reported transformation of angular to transverse momentum states. We separately identify over forty azimuthal and radial components, with a radial spacing of 1588 m(-1), and outline how the device could be used to identify the two spatial dimensions simultaneously.
authors: CSIR National Laser Centre, Pretoria 0001, South Africa. adudley@csir.co.za
authors: Angela
authors: A
authors: Dudley
authors: Thandeka
authors: T
authors: Mhlanga
authors: Martin
authors: M
authors: Lavery
authors: Andre
authors: A
authors: McDonald
authors: Filippus S
authors: FS
authors: Roux
authors: Miles
authors: M
authors: Padgett
authors: Andrew
authors: A
authors: Forbes