Table 3 The λres, S, and FOM corresponding to the resonance modes of the case 3 structure when R is varied from 50 to 300 nm with an increment of 50 nm in the wavelength range of 450–3000 nm, respectively
From: Breaking the Symmetry of a Metal–Insulator–Metal-Based Resonator for Sensing Applications
Mode | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
---|---|---|---|---|---|---|---|---|---|---|
R = 50 nm | λres (nm) | 661 | 528 | 487 | ||||||
S(nm/RIU) | 400 | 400 | 400 | |||||||
FOM(1/RIU) | 13.3 | 66.7 | 50.0 | |||||||
R = 100 nm | λres (nm) | 1075 | 865 | 756 | 556 | 447 | ||||
S(nm/RIU) | 1100 | 800 | 700 | 500 | 400 | |||||
FOM(1/RIU) | 55.0 | 266.7 | 70.0 | 50.0 | 40.0 | |||||
R = 150 nm | λres (nm) | 1512 | 1232 | 1076 | 759 | 642 | 572 | 533 | ||
S(nm/RIU) | 1500 | 1300 | 1100 | 700 | 600 | 600 | 500 | |||
FOM(1/RIU) | 50.0 | 260.0 | 110.0 | 87.5 | 75.0 | 150.0 | 71.4 | |||
R = 200 nm | λres (nm) | 1951 | 1405 | 970 | 820 | 729 | 554 | 520 | ||
S(nm/RIU) | 1900 | 1400 | 900 | 800 | 700 | 500 | 500 | |||
FOM(1/RIU) | 63.3 | 56.0 | 225.0 | 100.0 | 62.5 | 62.5 | 71.4 | |||
R = 250 nm | λres (nm) | 2387 | 1735 | 1182 | 1001 | 891 | 808 | 666 | 617 | 507 |
S(nm/RIU) | 2400 | 1700 | 1200 | 1000 | 1000 | 700 | 700 | 600 | 400 | |
FOM(1/RIU) | 48.0 | 113.3 | 240.0 | 83.3 | 333.3 | 175.0 | 233.3 | 40.0 | 40.0 | |
R = 300 nm | λres (nm) | 2822 | 2026 | 1397 | 1186 | 782 | 737 | 719 | 588 | 495 |
S(nm/RIU) | 2800 | 2100 | 1300 | 1100 | 800 | 700 | 700 | 500 | 500 | |
FOM(1/RIU) | 30.0 | 105.0 | 216.7 | 110.0 | 160.0 | 140.0 | 140 | 33.3 | 25.0 |