Optical Waveguides with Compound Multiperiodic Grating Nanostructures for Refractive Index Sensing

Table 3

Simulated and measured -factors for selected resonances of compound multiperiodic gratings (see Figures 4–7) and the reference monoperiodic grating M.

Structure	[nm]	(sim.)	(meas.)
M	700	19	35
C2	600	16	32
	770	58	—
C3a	610	27	13
	700	57	30
	770	77	—
C3b	550	24	9
	700	68	26
	800	67	—
C4	640	54	—
	710	77	—