Lens for reading an original image
Lens of gradient dielectric constant and methods of production
Lens system
Lens system
Lens system
Lens system
Lens system and image pickup apparatus
Lens system for use in optical information device
Lens system using graded refractive index lens component
Lens system using unhomogenous media
Lensed cascaded optical filter
Lenses with a variable refraction index
Luneberg lens and method of constructing same
Luneburg lens with a graded index core and homogeneous cladding
Materials and methods for producing lenses
Metamaterial gradient index lens
Method and apparatus providing graded-index microlenses
Method and apparatus providing graded-index microlenses
Method for manufacturing optical element of refractive index...
Miniaturization of gradient index lens used in optical component