Partly reflecting optical component and laser source...
Patterned structures with optically variable effects
Phase active diffractive optical method
Phase grating and method of producing phase grating
Phase grating, its fabricating method, optical encoder, motor us
Phase mask with spatially variable diffraction efficiency
Photographic optical system using diffractive optical element
Photographing apparatus having optical low-pass filter
Picture display apparatus having multiple diffusing filter surfa
Picture taking apparatus having diffractive optical element
Planar patterns with superimposed diffraction gratings
Planar reflective optical devices
Planar waveguide grating devices having controlled...
Planar waveguide reflective diffraction grating
Plane diffraction grating based on surface normal rotation...
Polarization control of UV writing
Polarization independent grating
Polarization independent grating modulator
Polarization insensitive beam splitting grating and...
Polarization phase difference plate