Optical system including a planar waveguide
Optical wave guide for hand-held scanner
Optical waveguide and optical information processing device
Optical waveguide and optical information processing device
Optical waveguide having two or more refractive indices and meth
Optical waveguide plate for surface light emitting apparatus...
Optical waveguide plate for surface light emitting apparatus...
Optical waveguide plate of surface light emitting apparatus
Optical waveguides and methods of making the same