Table 2. Detailed dimensions of the models shown in Figs. 3 ▸ and 4 ▸; explanations of the model variables can be found in the corresponding references.
| Model | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Parameter | A | B | C | D | E | F | G | H | I | J | K | L |
| Reference | (a) | (a) | (a) | (b) | (b) | (b) | (b) | (a) | (a) | (a) | (c) | (d) |
| R o (nm) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | ||
| R i (nm) | 0 | 5 | 5 | 0 | 5 | 0 | 5 | 5 | ||||
| a, b (nm) | . | 8, 20 | 15 | |||||||||
| L = c (nm) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 15 | 5 | |||
| P (nm) | 50 | 50 | 50 | 50 | ||||||||
| ω (°) | 45 | 6 | 45 | 6 | ||||||||
| φ (°) | 180 | 180 | ||||||||||