Tel Aviv University’s Dr. Lior Michaeli was part of an international research team that has developed a meta-surface – an ultra-thin surface layer. When illuminated by a short laser pulse, the optical properties of its silicon structure change, allowing the light beam to be steered and shaped.
https://www.ynetnews.com/health_science/article/byc1w11c4ze
https://english.tau.ac.il/research/light-control-breakthrough