Optical reflector and manufacturing method thereof

Optical security component

Optical sensor based on surface electromagnetic wave...

Optical structural element, method for the production of a layer

Optical substrate and antireflective film

Optical switching device

Optical system for eliminating ghost image in wide wavelength ba

Optical system with anti-reflection coating

Optical thin film for optical element

Optical-interference type reflective panel and method for...

Optical-thin-film material, process for its production, and...

Optically variable element comprising a sequence of...

Optically variable element with partial transparent element

Optically variable security devices

Overcoat method and apparatus for ZRO.sub.2 mirror stacks