Lamellar grating structure with polarization-independent...
Laminated diffraction optical element
Large aperture diffractive space telescope
Laser beam frequency doubling system
Laser beam optical focusing system of two symmetrical diffractiv
Laser leveling target with fresnel lens system
Laser light source device, hologram apparatus, and method...
Layer arrangement provided with a structure producing a...
Lens cover assembly for binary diffractive optic lenses
Lens cover assembly for binary diffractive optic lenses
Lens manufacturing method thereof, and optical pickup
Lens system having diffracting surface and refracting...
Lens system including a diffractive optical element
Lens, optical head, optical information writing/reading...
Lensless joint transform optical correlator for precision indust
Light beam scanning apparatus
Light beam scanning apparatus
Light beam scanning apparatus
Light beam scanning apparatus comprising a first and second diff
Light control film for use in viewing holograms and related meth