Gradial zone lens and method of fabrication
Gradial zone lens and method of fabrication
High numerical aperture and long working distance objective syst
High-efficiency, multilevel, diffractive optical elements
High-efficiency, multilevel, diffractive optical elements
High-efficiency, multilevel, diffractive optical elements
Hybrid refractive/diffractive achromatic camera lens
Hybrid refractive/diffractive achromatic camera lens
Hybrid refractive/diffractive achromatic lens for optical data s
Illumination system for creating a desired irradiance profile us
Imaging element and image reading apparatus
Integrated beam shaper and use thereof
Large aperture diffractive space telescope
Laser beam optical focusing system of two symmetrical diffractiv
Laser leveling target with fresnel lens system
Lens cover assembly for binary diffractive optic lenses
Lens system including a diffractive optical element
Method and apparatus for creating multiple phase level optical e
Methods and means for reducing temperature-induced variations in
Multi-element lens system