Table 1 Recently proposed PSHE based refractive index sensor values.
From: Nanophotonic resonator assisted photonic spin Hall enhancement for sensing application
Structure | Materials | Wavelength | Sensitivity (μm/RIU) | PSHE-TD | RI sensing range | Year |
|---|---|---|---|---|---|---|
SPR | Sodium/PMMA/graphene | 1200 nm | 1844.9 | 0.325 μm | 1.3195–1.346 | 202125 |
SPR | Au/antimonene | 633 nm | 5468 | 61.67 μm | 1.330–1.335 | 202139 |
SPR | Au/graphene | 633 nm | \(10^5\) (amplified) | \(\approx \) 0.09 μm | 1.330–1.335 | 201827 |
SPR | Fused Ag/Au | 632.8 nm | 6602 | 5.34 μm | 1.458–1.459 | 201814 |
PTS cavity | Epsilon-near-zero material | 632.8 nm | 8762 | 4.74 μm | 1.000–1.001 | 202134 |
LMR | Indium tin oxide/water | 1151.9 nm | 13,500 | 13.28 μm | 1.333–1.334 | 202224 |
1D-PhCR | \(\begin{array}{c}\mid ({ A},\,{ B})^{10} \mid { D}\mid ({ A},\,{ B})^{10} \mid \\ \text {A,D}=\text {SiO}_{\text {2}},\text {B}=\text {Si}_{\text {3}}\text {N}_{\text {4}} \end{array}\) | 632.8 nm | 33,720 | 35.85 μm | 1.460–1.461 | \(\begin{array}{c}\text {This} \\ \text {work} \end{array}\) |
