Table 5 Theoretical calculations showing numerical values of refractive index, resonance peak, sensitivity, \({\uplambda }_{\mathrm{FWHM}}\), Q- factor and FOM due to change in the temperature of defect layer sample at dd = 200 nm, when the angle of light incidence θ = 0° and N = 5 period.
From: A temperature sensor based on Si/PS/SiO2 photonic crystals
Temperature (°C) | Refractive index (RIU) | Resonance peak (nm) | Sensitivity (nm/°C) | \({\lambda }_{FWHM}\) (nm) | Q- factor | FOM |
|---|---|---|---|---|---|---|
25 | 1.45 | 769.4 | – | 0.4 | 1923.5 | – |
100 | 1.451 | 775.8 | 0.085 | 0.35 | 2216.6 | 0.0243 |
200 | 1.452 | 784.2 | 0.084 | 0.3 | 2614 | 0.28 |
500 | 1.456 | 808.7 | 0.083 | 0.2 | 4043.5 | 0.42 |
900 | 1.462 | 839.8 | 0.0804 | 0.1 | 8398 | 0.8 |