Day and night sighting system
Day-and-night optical observation device
Day/night weapon sight assembly for use on weapon without...
Day/night weapon sight assembly for use on weapon without...
Day/night-vision device
Device of the mirror type in the range of X-UV rays
Dichroic optical filter
Dichroic optical filter
Dichroic polarizer and material
Diffraction optical element, optical system and optical device
Diffraction spectral filter for use in extreme-UV...
Diffractive element in extreme-UV lithography condenser
Diffractive element in extreme-UV lithography condenser
Digital micromirror device having a window transparent to...
Dimmer control system having remote infrared transmitters
Discrete vacuum ultra violet reflective interference filter
Document processing with infra-red extraction
Dual band infrared lens assembly using diffractive optics
Dual band lens system incorporating molded chalcogenide
Dual band lens system incorporating molded chalcogenide