The purpose of optical coatings is to change the reflectivity of optical surfaces. According to the materials and physical phenomena which are used one can in principle distinguish metallic and ...

Drawing upon its uniquely stable manufacturing environment - Optical Surfaces Ltd. routinely produces the highest quality concave spherical mirrors for Schlieren Imaging systems in a range of ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Two researchers in Britain have revived a debate about the 17th-century Dutch artist Rembrandt ...