Table 4.

All Dielectric-based color filters.

Angle Invariance (${}^{\circ }$)	FWHM (nm)	Efficiency (%)	Spatial Resolution (dpi)	Ref.
60	30	64	16,000	[220]
20	NG	NG	85,000	[223]
NG	NG	100	100,000	[227]
26	50–65	Near Zero (A)	NG	[228]
0	NG	90	NG	[222]
0	NG	NG	25,400	[230]

Note: NG = Not given.