blog posts Novel Nanotechnology Technique for Table-Top Production of Flat Optics Jun 13, 2016 8:00 amNews Article Share on Facebook Tweet Email Images Researchers from the University of Illinois at Urbana-Champaign have developed a simplified approach to fabricating flat, ultrathin optics. The new approach enables simple etching without the use of acids or hazardous chemical etching agents. Share on Facebook Tweet Email