US Patent 11892652 Lenses for 2D planar and curved 3D laser sheets

Various lens shapes are able to transform laser beams into laser sheets that can span both two-dimensional (2D) and three-dimensional (3D) space in a controlled manner. The electromagnetic characteristics of the laser beams can be tailored as the laser light enters, traverses, and exits a lens. The projected image can be shaped. The lenses may have sections being multiply or simply connected with or without cavities. The lenses may also have solid or hollow race features, and coatings and/or material layers, which affect the output laser sheet. A fan angle of the produced laser sheet can be up to and include 360 degrees.