Researchers Add Antireflection Coatings To Complex 3D Printed Micro-Optical Systems
Researchers have developed a new way to apply antireflective (AR) coatings to 3D printed multi-lens systems as small as 600 microns in diameter.

United States Harald Giessen Simon Ristok Alexandra Boltasseva Purdue University Optica Publishing Group
Source: photonicsonline.com