Patent classifications
G
PHYSICS
Load children
G02
OPTICS
Load children
G02B
OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
Load children
27/00
Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
Load children Filter patents View analytics View as hierarchy
G02B27/42
Diffraction optics; , i.e. systems including a diffractive element being designed for providing a diffractive effect
Load children Filter patents View analytics View as hierarchy
G02B27/44
Grating systems; Zone plate systems
Filter patents View analytics View as hierarchy