Focus detecting optical system
Focusing screen
Formation of a refractive index grating
Forming an optical element on the surface of a light...
Forming methods, forming devices for articles having a...
Fourier transform lens assembly and optical information processo
Fourier transform optical apparatus and optical information
Free-space optical interconnection arrangement
Fresnel lens and die for the same
Fresnel zone plate based on elastic materials
Front teleconverter lens system
Full spectrum color projector
Gaussian beam profile shaping apparatus, method therefor and eva
Geometrical phase optical elements with space-variant...
Gradial zone lens and method of fabrication
Gradial zone lens and method of fabrication
Grating device with high diffraction efficiency
Grating lens and focusing grating coupler
Grating structure having a plurality of binary lamellar gratings
Grating structures and methods of making the grating structures