Table 1 Thermal parameters of the chosen material at room temperature 29,33.
From: A temperature sensor based on Si/PS/SiO2 photonic crystals
Material | Refractive index | Thickness (nm) | Thermal optical coefficient (°C−1) | Thermal expansion (°C−1) |
|---|---|---|---|---|
Silicon (Si) | 3.49 | 44 | 1.86 × 10−4 | 5 × 10−7 |
Silica (SiO2) | 1.45 | 100 | 1 × 10−5 | 5.5 × 10−7 |
Porous Silica (PS) | 1.5916 | 103 | 1.2 × 10–4 | 2.2 × 10–6 |
