A superposition of two Bessel beams, with opposite OAM charge (l = -+2) and different wave vectors, rotates during propagation.
Rotating Bessel Beams

Official website of the Structured Light Laboratory at the University of the Witwatersrand
A superposition of two Bessel beams, with opposite OAM charge (l = -+2) and different wave vectors, rotates during propagation.