Patent ID: 11921306
Assignee: II-VI DELAWARE, INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. The article of claim 1, wherein:
the grating substrate is substantially flat; or
each one of the diffraction gratings has a largest transverse dimension that is less than about 2.0 mm; or
the diffraction gratings are of a substantially same transverse area and shape; or
wherein the diffraction gratings are of multiple different transverse areas or shapes;
wherein the diffraction gratings are arranged on the grating substrate as a substantially regular two-dimensional array; or
those diffraction gratings characterized by substantially equal corresponding grating wavevectors are arranged across the grating substrate irregularly or substantially randomly; or
those diffraction gratings characterized by substantially equal corresponding grating wavevectors are arranged across the grating substrate in a repeating pattern.