Depth-controlled Bessel beams
arXiv:1607.02292 · doi:10.1109/OMN.2016.7565918
Abstract
We present a ring aperture with independently switchable segments for the three-dimensional control of quasi propagation invariant beams. We demonstrate that our liquid crystal design concept preserves coherence and generates the Bessel beam structure.
To be presented at IEEE Conf. on Optical MEMS and Nanophotonics 2016