Table 1.

Summarizes the performance parameters for 47 nm thick uniform gold SPR sensors.

SPR Measurement Mechanism 1
Incident wavelength λ (nm)	Plasmonic angle sinθsp	Min(Rp)	FWHM (rad/nm)	Sensitivity (S) rad/nm/V	Figure of Merit (FoM) 1/V
632.8	0.9522	1.10 × 10−6	4.75 × 10−4	1.16 × 10−5	0.0244
SPR Measurement Mechanism 2
Plasmonic wavelength λSP (nm)	Incident angle sinθ0	Min(Rp)	FWHM (rad/nm)	Sensitivity (S) rad/nm/V	Figure of Merit (FoM) 1/V
1008.0	0.9000	7.99 × 10−3	15.59 ×10−4	3.37 × 10−5	0.0216
766.7	0.9200	27.24 × 10−3	18.84 ×10−4	4.24 × 10−5	0.0230
665.9	0.9400	32.61 × 10−3	21.26 ×10−4	4.51 × 10−5	0.0212
615.5	0.9600	9.35 × 10−3	23.26 ×10−4	3.86 × 10−5	0.0166
SPR Measurement Mechanism 3
Incident wavelength λ (nm)	Incident angle sinθ0	Rp	Sensitivity (S) 1/V	S/Rp	Figure of Merit (FoM) 1/V
941.2	0.9034	6.14 × 10−8	9.52 × 10−4	15,500	0.0244